Species New to Science

Tarimochara miraclensis Liu, Wu & Riding,
A palaeoecological illustrations of T. miraclensis in Late Ordovician marine carbonate platform environments

in Liu, Han, Zhang, Tang, Pang, Li, Wu, Hua, Guo, Cai et Riding, 2025.

DOI: doi.org/10.1038/s41477-025-02003-y

Abstract

The emergence of land plants was a pivotal development in Earth history. It has been postulated that the evolutionary transition from freshwater streptophyte algae to land plants, or the canalization of plant meiosis, was completed during the Middle Ordovician (~460 Ma). However, the absence of undisputed streptophyte algal fossils (for example, Charophyceae) earlier than the late Silurian (~425 Ma) has obscured this link between streptophyte algae and land plants. Here we describe a marine Charophyceae fossil, Tarimochara miraclensis gen. et sp. nov., from early and middle Katian (Late Ordovician, ~453–449 Ma) marine limestones in northwestern China. This discovery demonstrates that at least some species of Charophyceae inhabited shallow normal marine environments at that time. Moreover, these early Charophyceae show that some key morphological innovations associated with an evolutionary transition between streptophyte algae and land plants had occurred before the early Katian. This provides crucial evidence relevant to the origins of land plants.

Morphological and palaeoecological reconstructions of Tarimochara miraclensis gen. et sp. nov.
a, A morphological reconstruction of T. miraclensis based on fossil specimens and present-day Charophyceae analogues, illustrating the differentiation of nodes and internodes (Inter.) of both main axis and branches, and of whorled branchlets; enlargement of T. miraclensis shows cortical (Cor.) cells of axis, branch, .... The rooting system, orders of branching, number of whorled branches and relative positions of gyrogonites (covered by probable utricle) and antheridium are inferred from the extant corticated genus Chara.
b, A palaeoecological illustrations of T. miraclensis in Late Ordovician marine carbonate platform environments. The community composition is based on common associated taxa, for example, green and red algae, corals, bryozoans, and echinoderms. Credit: X. Liu.

Genus Tarimochara Liu, Wu & Riding gen. nov.

Tarimochara miraclensis Liu, Wu & Riding sp. nov.

Lijing Liu, Jian Han, Zhifei Zhang, Qing Tang, Ke Pang, Ruiyun Li, Yasheng Wu, Hong Hua, Bin Guo, Chunfang Cai and Robert Riding. 2025. Ordovician marine Charophyceae and insights into land plant derivations. Nature Plants. DOI: doi.org/10.1038/s41477-025-02003-y [30 May 2025]

x.com/NaturePlants/status/1928869309175992480 || http://rdcu.be/eoSkA

Bauhinia angelae

in Casas-Restrepo, Fonseca-Cortés et Queiroz, 2025.

DOI: doi.org/10.11646/phytotaxa.691.3.4

facebook.com/LuisCarlosCASASRESTREPO/

Abstract

The Brazilian Seasonally Dry Tropical Forests and Woodlands represents an important evolutionary unit, widely recognized as a species center of diversification and endemism. The northeastern Brazilian Caatinga is the largest and most diverse SDTFW nucleus, exhibiting a important center of diversification in which the family Leguminosae exhibits the large number in genera and species richness and endemism, in which the genus Bauhinia stands out in species richness. Bauhinia angelae, a new species of shurbs or treelets is described, illustrated, and aspects related to its distribution, conservation status and relationships with morphologically similar species are discussed. Bauhinia angelae is characterized by the presences of triangular stipules, leaflets 3–10 × 2–7 cm, flower buds 2.5–6.5 cm long with the apex capitate and twisted lobes, oblong petals with undulate margins and mature fruits longer than 10 cm long. This new species is distributed in the Brazilian Caatinga between the states of Bahia and Minas Gerais. Additionally, a key to specie included in Bauhinia sect. Pauletia ser. Aculeatae is presented.

Cercidoideae, Fabaceae, Flora of Brazil, Seasonally Dry Tropical Forests and Woodlands, series Aculeatae, Eudicots

Luis Carlos CASAS-RESTREPO, Andrés FONSECA-CORTÉS and Luciano Paganucci de QUEIROZ. 2025. Bauhinia angelae (Leguminosae: Cercidoideae): An overlooked New Species from Drylands of Northeastern Brazil. Phytotaxa. 691(3); 271-281. DOI: doi.org/10.11646/phytotaxa.691.3.4 [2025-03-07]

facebook.com/LuisCarlosCASASRESTREPO/posts/10162218575149643

Yinshanosaurus angustus

Yi & Liu, 2025

DOI: doi.org/10.1002/spp2.70020

x.com/ThePalAss

Abstract

Pareiasauria are a specialized clade of herbivorous tetrapods that existed throughout Pangaea during the middle–late Permian period. The phylogenetic relationships of Chinese pareiasaur species have remained controversial for several decades, primarily due to the poor preservation of the known specimens. For example, until the report of Shihtienfenia completus in 2019, no complete skull had been documented for Chinese pareiasaurs. The present study describes a mid-sized pareiasaur, Yinshanosaurus angustus gen. et sp. nov., based on a nearly complete skull and an articulated partial postcranial skeleton collected from the Naobaogou Formation in 2018. It presents several significant new morphological features such as the narrowest skull of all pareiasaurs, with skull length more than twice skull width at the lateral edges of the cheeks (quadratojugals), a forked nasal posterior projection, a notch on the tabular posterior margin, and a unique combination of characters: U-shaped paraoccipital process, snout as wide as high, long frontal with a length-to-width ratio greater than 2.0, and maxillary teeth oriented vertically. Although the phylogenetic framework of pareiasaurs still requires further refinement, the current analysis yields three distinct phylogenetic positions for the Chinese pareiasaurs and establishes a new clade including S. completus and Y. angustus.

Keywords: late Permian, Naobaogou Formation, Pareiasauria, phylogeny

Yinshanosaurus angustus gen. et sp. nov.

Jian Yi and Jun Liu. 2025. The Tetrapod Fauna of the upper Permian Naobaogou Formation of China: A New mid-sized pareiasaur Yinshanosaurus angustus and its implications for the phylogenetic relationships of pareiasaurs. Papers in Palaeontology. 11(3); e70020. DOI: doi.org/10.1002/spp2.70020 [04 June 2025]

x.com/ThePalAss/status/1930621908296315390

Riopa deccanensis

Bhupathi, Ray, Karuthapandi, Jaiswal, Deepak & Mohapatra, 2025

DOI: doi.org/10.11646/zootaxa.5647.2.2

Abstract

We describe a new species of Riopa from the Eastern Ghats in Andhra Pradesh and Telangana states, India. The new species is diagnosed by the following suite of characters: lower eyelid with a semi-transparent disk, 108–109 paravertebral scale rows, 8 or 9 lamellae on the 4th toe, dorsum with 16 distinct longitudinal lines, five fingers and five toes, preanal scales not enlarged, and ear opening covered by scales. Our mitochondrial molecular data supports the placement of the species in the genus Riopa and the new species is 4.1–9.2 % divergent from genetically sampled congeners. This study adds in understanding the cryptic diversity of lizard fauna in the Eastern Ghats in peninsular India. Based on our findings we provide a dichotomous key to the genus Riopa.

Reptilia, Andhra Pradesh, Deccan Peninsula, Eastern Ghats, endemic, skink, taxonomy, Telangana

Riopa deccanensis

Deccan Gracile Skink

Bharath BHUPATHI, Sumidh RAY, M. KARUTHAPANDI, Deepa JAISWAL, V. DEEPAK and Pratyush P. MOHAPATRA. 2025. A New Species of Riopa Gray, 1839 (Reptilia: Squamata: Scincidae) from the Eastern Ghats, India. Zootaxa. 5647(2); 117-130. DOI: doi.org/10.11646/zootaxa.5647.2.2 [2025-06-13]

Dendrobium eruciforme Schuit., Saputra & Wanma,

in Schuiteman, Saputra, Wanma, Jennings et Heatubun, 2025.

DOI: doi.org/10.1007/s12225-025-10281-0

Summary

Dendrobium eruciforme Schuit., Saputra & Wanma (Orchidaceae), the fourth known species of sect. Microphytanthe Schltr., is described and illustrated. A detailed description, morphological comparisons, habitat information, a preliminary conservation assessment and some notes are provided. A key to the four species of sect. Microphytanthe is presented. Vegetatively, D. eruciforme is one of the smallest Dendrobium species, in this respect only equalled or even surpassed by the Australian D. toressae (F.M.Bailey) Dockrill.

Key Words: Arfak Mountains, Dendrobium nummularia, key, New Guinea, Papua Barat, Red Listing

Dendrobium eruciforme. A habit; B flowering shoot; C leaf; D dorsal sepal; E lateral sepal; F petal; G lip; H column and ovary (lateral view); J anther, dorsal view; K anther, ventral view; L pollinia.

drawn by André Schuiteman.

Dendrobium eruciforme. A flowering plant; B plant in situ; C habitat.

photos: André Schuiteman.

Dendrobium eruciforme Schuit., Saputra & Wanma, sp. nov.

(sect. Microphytanthe).

Type: Indonesia, West Papua Province, ...

Recognition. Within sect. Microphytanthe, this species resembles Dendrobium nummularia, because of the congested pseudobulbs, the tiny leaves and the habit of growing appressed to the substrate. Dendrobium eruciforme differs in the verruculose leaves, 3 – 5.6 mm long, with unequally bilobulate apices (vs leaves when dry with prominent reticulate veins [fide Schlechter], 4 – 8 mm long, apex apiculate in D. nummularia); papillose ovary (vs glabrous ovary); lip with cross-ridge below the middle, apex rounded (vs lip without cross-ridge, apex bilobulate); lip surface velutinous (vs lip glabrous with ciliate lobules).

Etymology. From the Latin eruca, a caterpillar, and -formis, shaped as, referring to the straight, creeping rhizomes that are closely appressed to the substrate.

André Schuiteman, Reza Saputra, Jimmy Frans Wanma, Laura Jennings and Charlie D. Heatubun. 2025. Dendrobium eruciforme (Orchidaceae), A New Species of Section Microphytanthe from West Papua Province, Indonesia. Kew Bulletin. DOI: doi.org/10.1007/s12225-025-10281-0 [13 June 2025]

Boulenophrys yezhongensis

Liu, Feng, Shen, Li, Cheng, Wei, Wang & Su, 2025

DOI: doi.org/10.3897/herpetozoa.38.e155430

Abstract

Based on morphological and molecular phylogenetic analyses, a new species of the genus Boulenophrys is described from Yezhong Nature Reserve, Shuicheng County, Guizhou Province, China. Phylogenetic analyses based on the mitochondrial genes 16S rRNA and COI indicate that this new species represents an independent species-level lineage, closely related to B. fanjingmontis, B. qianbeiensis, B. sangzhiensis, and B. spinata. The new species is distinguished from its congeners by a combination of the following characteristics: (1) body size moderate (SVL 41.2–46.2 mm in adult males and 51.8–58.6 mm in adult females); (2) a single small horn-like tubercle at the edge of each upper eyelid; (3) vomerine teeth absent; (4) tongue not notched posteriorly; (5) tympanum distinctly visible, round; (6) toes with rudimentary webbing and narrow lateral fringes; (7) heels overlapping when thighs are positioned at right angles to the body; (8) tibiotarsal articulation reaching the level of the middle of the eye when the leg is stretched forward; (9) a single internal subgular vocal sac in males; (10) in breeding males, the nuptial pads have black nuptial spines on the bases of the first and second fingers.

Key Words: Boulenophrys yezhongensis sp. nov., molecular phylogenetic analysis, morphology, taxonomy

Male holotype CIB SC20240531005 of Boulenophrys yezhongensis sp. nov. in life.
A. Dorsal view; B. Ventral view; C. Dorsal view of hand; D. Ventral view of hand; E. Ventral view of foot.

 Boulenophrys yezhongensis sp. nov.

Diagnosis.

Boulenophrys yezhongensis sp. nov. is assigned to the genus Boulenophrys based on molecular phylogenetic analyses and the following generic diagnostic characters: snout shield-like; projecting beyond the lower jaw; canthus rostralis distinct; chest glands small and round, closer to the axilla than to midventral line; femoral glands on rear part of thigh; vertical pupils; and the presence of subarticular tubercles at the base of each finger (Fei et al. 2016; Lyu et al. 2023).

Boulenophrys yezhongensis sp. nov. can be distinguished from its congeners by a combination of the following morphological characters: body size moderate (SVL 41.2–46.2 mm in adult males and 51.8–58.6 mm in adult females); a small horn-like tubercle at edge of each upper eyelid; vomerine teeth absent; tongue not notched posteriorly; tympanum distinctly visible, round; two metacarpal tubercles on hand; toes with rudimentary webbing and narrow lateral fringes; heels overlapping when thighs are positioned at right angles to the body; tibiotarsal articulation reaching the level to the middle of eye when leg stretched forward; a single internal subgular vocal sac in adult males; in breeding males, nuptial pads with black nuptial spines on the dorsal bases of the first and second fingers.

Etymology. The specific epithet yezhongensis refers to the type locality of the species. We propose the common English name “Yezhong Horned Toad” and the Chinese name “Yě Zhōng Jiǎo Chán (野钟角蟾)” for this species.

Color variation in Boulenophrys yezhongensis sp. nov. in life.
A. Dorsolateral view of adult male CIB SC20240531003; B. Dorsolateral view of adult male CIB SC20240531002;
C1. Dorsolateral view of adult female CIB SC20240531006; C2. Ventral view of adult female CIB SC20240531006;
D1. Dorsolateral view of adult female CIB SC20240531007; D2. Ventral view of adult female CIB SC20240531007.

Jing Liu, Chao-Bo Feng, Tuo Shen, Shi-Ze Li, Yanlin Cheng, Gang Wei, Bin Wang and Haijun Su. 2025. A New Species of the genus Boulenophrys (Anura, Megophryidae) from Guizhou, China. Herpetozoa. 38: 117-136. DOI: doi.org/10.3897/herpetozoa.38.e155430

Nujalikodon cassiopeiae

Patrocínio, Panciroli, Rotatori, Mateus, Milàn, Clemmensen & Crespo, 2025

DOI: doi.org/10.1002/spp2.70022

facebook.com: Sofia Patrocinio

Artwork by Pedro Andrade

ABSTRACT

The first mammaliaforms emerged in the Late Triassic, but their exact origins remain unclear due to the scarcity of fossils from this period. One of the earliest diverging mammaliaform groups, the order Docodonta, became unusually ecomorphologically diverse compared with other early mammals, and this may be connected to the possession of complex molar cusp morphology. The specimen described here, found in the Rhætelv Formation of the Kap Stewart Group (Rhaetian–Sinemurian) of central East Greenland, provides novel information on docodontan origins and evolution, as well as key biogeographic insights into early mammal dispersal. Nujalikodon cassiopeiae gen. et sp. nov. is the first mammaliaform found in the Rhætelv Formation, and is likely to be Early Jurassic (Hettangian) in age. Comprising an incomplete dentary with a single preserved molar, it was visualized using micro-computed tomography; the molar bears similarities to the putative early docodontan Delsatia, and docodontan Dobunnodon. Phylogenetic analysis places Nujalikodon cassiopeiae as a basal member of Docodonta or a close sister taxon, making it one of the oldest definitive docodontans and pushing the origin of the group back to at least the Early Jurassic. It provides insights into the development of docodontan dental complexity, a key factor in their ecological diversification during the Middle to Late Jurassic. Its presence in Greenland supports the hypothesis that docodontans originated in the region now comprising Europe and Greenland before dispersing across the rest of Laurasia.

Keywords: mammal, molar complexity, Docodonta, Mesozoic, Rhætelv formation

Nujalikodon cassiopeiae gen. et sp. nov.

Sofia Patrocínio, Elsa Panciroli, Filippo Maria Rotatori, Octavio Mateus, Jesper Milàn, Lars B. Clemmensen and Vicente D. Crespo. 2025. The Oldest definitive docodontan from central East Greenland sheds light on the Origin of the Clade. Papers in Palaeontology. DOI: doi.org/10.1002/spp2.70022 [13 June 2025]

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#mammaliaformes #docodon #docodonta #nujalikodon #nujalikodoncassiopeiae #paleoart #rhaetelvformation #greenland #latetriassic #scientificillustration #paleoillustration

Kanchuria tripuraensis ... K. priyasankari

Narayanan, Paliwal & Julka,

in Narayanan, Paliwal, Kurien, Nath, ... et Julka, 2025.

DOI: doi.org/10.11646/zootaxa.5647.2.1

Abstract

Eastern Himalaya-Northeastern Hills are the second most earthworm species-rich region in India. Kanchuria Julka, 1988, is a small genus endemic to the north-eastern region of India, with eight known species. Two new species of the genus, namely Kanchuria tripuraensis Narayanan, Paliwal & Julka, sp. nov., and K. priyasankari Narayanan, Paliwal & Julka, sp. nov., are described from materials collected from the Tripura State in North-eastern India. K. tripuraensis sp. nov. is a unique species of the genus, distinguishable from all other known species by having single ventromedian spermathecae in segments 7 and 8. K. priyasankari sp. nov. belongs to the turaensis-species group characterized by three pairs of spermathecal pores. This group has a total of 5 species, including the new species described herein. Among the congeners of the group, K. priyasankari sp. nov. shows close similarity with K. turaensis Julka, 1988. K. priyasankari sp. nov. can be easily differentiated from the K. turaensis by the small body dimensions and characteristics of the spermathecae. The present work provides detailed descriptions of the new species along with photographs and illustrations of the key characters. A key to species of the genus Kanchuria is also provided. With the discovery of two new taxa, the total number of Kanchuria species has gone up to 10, and megadrile worm diversity reported from the Tripura State has increased to 38.

Annelida, distribution, endemic, Oligochaeta, soil fauna, taxonomy, India

S. Prasanth NARAYANAN, R. PALIWAL, Vijo T. KURIEN, Sabyasachi NATH, Animesh DEY, Subhrajit NANDY, Prithwiraj KAR, Sujata GOLDAR, A.P. THOMAS and J.M. JULKA. 2025. Description of Two New Kanchuria Julka, 1988 (Clitellata: Megascolecidae) Species of Earthworms from Tripura State, North-eastern India. Zootaxa. 5647(2); 101-116. DOI: doi.org/10.11646/zootaxa.5647.2.1 [2025-06-13]

facebook.com/PrithwirajKAR58/posts/1341451770281276

Researchgate.net/publication/392631231_two_new_Kanchuria_from_Tripura_NE_India

Camellia yangii D.Wei Zhao,

in Zhao. 2025.

三萼茶 || DOI: doi.org/10.3897/phytokeys.257.152000

Abstract

Camellia sect. Thea contains plants of beverage sources with huge profits. Their natural germplasm resources have yet to be fully explored. Here, morphological, phenological and phylogenetic analyses were undertaken to reveal a new species of tea plants, C. yangii D.Wei Zhao. It is described with an illustration and photos of fresh characters provided. The new species is similar to C. fangchengensis and C. ptilophylla by the densely pubescent new branchlets, abaxial surface of leaves and pedicel, but differs from them in bearing a larger flower, fewer (3 vs. 5) but larger sepals, and the indumentum of the sepals. Molecular phylogenetic analysis using RPB2 introns 11–15 and 23 and waxy suggests that it is a member of C. sect. Thea and its phylogenetically closely related species are C. longissima and C. taliensis. Camellia yangii has a later flowering phase compared with other taxa of C. sect. Thea that occurred or were planted nearby, so it cannot naturally hybridize with other tea plants. The new species bears a red or purplish red and densely pubescent terminal bud, which suggests it is a rare germplasm resource of tea plants. Camellia yangii is only known from a single extremely vulnerable population and strict conservation and asexual propagations are urgently needed to avoid extinction.

Key words: Beverage, diversity, genetic resources, Yunnan

Illustration of Camellia yangii D.Wei Zhao, sp. nov.
A. Branchlet with flowers; B. A node of branchlet, showing the indumenta of the branchlet, leaf, and bud; C. A part of androecium and a petal; D. Pedicel, receptacle and gynoecium of a flower; E. Capsule; F. Seed.
Drawn by Chen M.Q.

Camellia yangii D.Wei Zhao, sp. nov.
A. Habit; B, C. Branchlets; D. Abaxial surface of leaf; E. Flower buds; F. Flower; G. A dissected flower without bracteoles, 1-sepals, 2-petals, 3-androecium, 4-pedicel, receptacle and gynoecium; H. Bracteoles; I. Pedicel, receptacle and gynoecium of a flower; J, K. Capsule.

Scale bars: 5 cm (C); 1 cm (E, I, J, K); 2 cm (F); 2 mm (H).

Photos: Zhao D.W. (A); Yang S.X. (B–K).

 Camellia yangii D.Wei Zhao, sp. nov. Diagnosis. Similar to C. fangchengensis and C. ptilophylla by the densely pubescent new branchlets, abaxial surface of leaves and pedicel, but differs from them in bearing a larger flower (4–5.5 cm in diam. vs. 2–3.5 cm in diam.), less (3 vs. 5) but larger (8–9 × 10–13 mm vs. 2.5–7 × 3.5–7 mm) sepals, and sericeous (vs. glabrous) adaxial surface of the sepals (Table 1).

Etymology. Camellia yangii is named after the leading collector of its type, Dr. Shixiong Yang, an expert of the family Theaceae at Kunming Institute of Botany, Chinese Academy of Sciences. The Chinese name of C. yangii is proposed as ”三萼茶” because it bears three sepals in the flower.

Dongwei Zhao. 2025. Camellia yangii (Theaceae), A New Species of Tea Plants (Camellia section Thea).PhytoKeys. 257: 247-256. DOI: doi.org/10.3897/phytokeys.257.152000

Schomburgkia vandenbergiana E.M.Pessoa, V.Brito & Ralf-Neto,

in Pessoa, Brito, Ralf-Neto, Fernandes, Gomes, Fraga et Barros, 2025.

DOI: doi.org/10.11646/phytotaxa.561.2.3

Researchgate.net/publication/363371597

Abstract

We describe a new species of Schomburgkia, S. vandenbergiana, from north-eastern Brazil and provide a phylogenetic analysis and a summary of its conservation status. Our phylogenetic analyses indicate that S. vandenbergiana is most likely related to S. undulata and S. gloriosa. The species with dark purple flowers, S. elata, S. splendida, S. undulata and S. vandenbergiana, did not form a clade, and this trait seems to have multiple independent origins. Based on small flower size and number of keels on the disc of the lip, the new species is morphologically more similar to S. heidii, a species native to Colombia and Venezuela, but it differs in the shorter sepals and lip and erose clinandrium margin. The new species should be classified as endangered (EN) based on the IUCN criteria B1ab(i)+2ab(ii).

Keywords: Monocots, Atlantic Forest flora, Epidendreae, Epidendroideae, orchid endemism, rock outcrop flora, threatened South American taxa

Schomburgkia vandenbergiana.
A. Habit (scale bar = 2.0 cm). B. Inflorescence (scale bar = 1.0 cm). C. Flower in natural position (scale bar = 1.0 cm). D. Dissected perianth (scale bar = 1.0 cm).

Photos of the specimen collected as type by V. Brito.

Schomburgkia vandenbergiana E.M.Pessoa, V.Brito & Ralf-Neto sp. nov.

Edlley M. PESSOA, Vinícius BRITO, Fraterno RALF-NETO, Geysla FERNANDES, Gustavo GOMES, Elmary FRAGA and Maria Claudene BARROS. 2025. Description and Phylogenetic Relationships of A New, purple-flowered, Endangered Schomburgkia (Laeliinae; Orchidaceae) from north-eastern Brazil. Phytotaxa. 561(2); 151-161. DOI: doi.org/10.11646/phytotaxa.561.2.3 [2022-09-08]

Researchgate.net/publication/363371597_a_new_endangered_Schomburgkia_from_NE_Brazil

Capparis montis-aquae Fici & Sy,

in Fici et Sy, 2025.

DOI: doi.org/10.1007/s12225-025-10293-w

Summary

Capparis montis-aquae, a new species from limestones of the Da Nang Province, Vietnam, is described and illustrated. The new species is an erect shrub, characterised by complete glabrescence of the vegetative and reproductive parts, the presence of cataphylls at the base of the twigs, stipular thorns straight, small or in some cases lacking, leaves coriaceous, elliptic or narrowly obovate, flowers in lateral or terminal, few-flowered racemes, petals large, white, ovary ribbed and a knob-shaped stigma. The new species is related to C. brachybotrya, a species from Indonesia, but C. brachybotrya differs in slightly recurved thorns, an acuminate leaf apex, up to 20-flowered racemes, puberulous pedicels, longer sepals, shorter petals, puberulous outside, more stamens and a smaller ovary. The affinities of the new species are discussed and its conservation status is provisionally assessed.

Key Words: Capparis sect. Monostichocalyx, diversity, ecology, limestone, Marble Mountains, Thuy Son

Capparis montis-aquae.
A flowering branch; B flower; C dissected flower showing sepals and petals; D gynophore and ovary. All from Fici et al. 2445 (holotype PAL). drawn by silvio fici.

Capparis montis-aquae.
A habitat; B habit, individual plant; C inflorescences; D flower; E flowering branches; F inflorescence, showing flowers at different stages.

photos: Silvio Fici.

Capparis montis-aquae Fici & Sy, sp. nov.

Recognition. Related to Capparis brachybotrya Hallier f., but differs in several characters, such as the stipular thorns straight (vs slightly recurved in C. brachybotrya), leaf apex rounded, acute or retuse (vs acuminate), racemes up to 4-flowered (vs up to 20-flowered), pedicels glabrous (vs puberulous), sepals 8 – 11 mm long (vs c. 11 – 14 mm), petals 20 – 28 mm long, glabrous (vs 12 – 20 mm, puberulous outside), stamens c. 56 – 78 (vs (80 –) 100 – 160) and ovary 3.5 – 4 × 1.5 – 2 mm (vs 2 – 3 × 1 mm).

Etymology. The specific epithet is named after the toponym Thuy Son, meaning “Water Mountain”.

Silvio Fici and Dan Thuong Sy. 2025. Capparis montis-aquae, A New Species of Capparaceae from Da Nang Province, central Vietnam. Kew Bulletin. DOI: doi.org/10.1007/s12225-025-10293-w [17 June 2025]

Ceraphron (Larsoceraphron) chularoipaad

Ghafouri Moghaddam, Salden & Butcher,

in Moghaddam, Salden, Latibari et Butcher, 2025.

DOI: doi.org/10.3897/jhr.98.151607

Abstract

The subgenus Larsoceraphron Dessart, 1981 of the genus Ceraphron Jurine, 1807 is reviewed, and a new species, Ceraphron (Larsoceraphron) chularoipaad sp. nov., from Thailand is described and illustrated. This represents the first species-level record of the genus Ceraphron in Thailand. Additionally, we provide the redescriptions and illustrations of three previously known species viz., C. (L.) huggerti, C. (L.) sylviae, and C. (L.) tobiasi. We also include two identification keys for all known subgenera of Ceraphron and species of the subgenus Larsoceraphron.

Keywords: Identification key, Oriental, redescription, species discovery, Taxonomy

Ceraphron (Larsoceraphron) chularoipaad sp. nov., female holotype from Thailand (CUMZ)
A habitus and antenna, lateral view B fore and hind wing C head, dorsofrontal view D head, lateral view E head, dorsal view F mesosoma, dorsal view G posterior mesosoma and anterior syntergum, dorsal view H syntergum, dorsal view I head and mesosoma, lateral view J metasoma, lateral view K posterior metasoma, dorsal view.

Ceraphron (Larsoceraphron) chularoipaad

Ghafouri Moghaddam, Salden & Butcher, sp. nov.

Etymology. The specific epithet chularoipaad is derived from “Chula”, referring to Chulalongkorn University, and “roi paad”, which means “one hundred and eight” in Thai, commemorating the 108th anniversary of Chulalongkorn University in 2025. The name is treated as a noun in apposition.

Mostafa Ghafouri Moghaddam, Tobias Salden, Minoo Heidari Latibari and Buntika A. Butcher. 2025. Review of the Subgenus Larsoceraphron Dessart, 1981 of the Genus Ceraphron Jurine, 1807 (Hymenoptera, Ceraphronidae) with the Description of A New Species from Thailand. Journal of Hymenoptera Research. 98: 579-602. DOI: doi.org/10.3897/jhr.98.151607

Neoanthomastus stellatus gen. et sp. nov., N. elongatus gen. et sp. nov.,
Anthomastus sphaericus sp. nov., A. tongi sp. nov.,
Pseudoanthomastus ornatus sp. nov., and P. applanatus sp. nov.

Y. Li, J. Li & Xu, 2025

DOI: doi.org/10.1155/jzs/4177670

Abstract

Mushroom soft corals in the subfamily Anthomastinae are among the most remarkable octocorals found in the deep sea, characterized by their capitate or mushroom-shaped red colonies and large autozooids. To date, their species diversity remains largely unknown due to limited research, and their phylogenetic relationships have yet to be explored. Based on samples collected from four seamounts in the tropical Northwestern Pacific, we establish a new genus and six new species within Anthomastinae: Neoanthomastus stellatus gen. et sp. nov., Neoanthomastus elongatus gen. et sp. nov., Anthomastus sphaericus sp. nov., Anthomastus tongi sp. nov., Pseudoanthomastus ornatus sp. nov., and Pseudoanthomastus applanatus sp. nov. We transfer four species of Anthomastus with the siphonozooids extending into the stalk to the new genus Neoanthomastus, and four additional species of Anthomastus to Pseudoanthomastus. A dichotomous key to all five known genera and 43 species of Anthomastinae is provided. Meanwhile, we utilize the concatenated nucleotides of 13 mitochondrial protein-coding genes (PCGs), the full-length coding regions of the mitochondrial MutS gene (mtMutS) and the barcodes of partial mtMutS to elucidate the phylogenetic relationships among all the five genera (Anthomastus, Bathyalcyon, Heteropolypus, Pseudoanthomastus, and Neoanthomastus gen. nov.) and available species of Anthomastinae. The phylogenetic trees constructed from the three types of sequences suggest a hierarchical relationship where Neoanthomastus gen. nov. and Pseudoanthomastus form a clade that clusters with Bathyalcyon, which in turn with Heteropolypus, and finally with Anthomastus, all with high nodal supports. We also identify a second species in octocorals that lack the unique mtMutS. The study reveals a high diversity of mushroom soft corals and underscores the need for further systematic and zoogeographic research.

Keywords: Anthomastus, Anthomastinae, deep sea, mitochondrial DNA, mtMutS, new taxa

Morphology of Neoanthomastus gen. nov. and six new species of Anthomastinae.
(A–C) A. sphaericus sp. nov., same specimen in situ (A) and in preservation (B, C). (D, E) A. tongi sp. nov. in situ and in preservation.
(F, G) N. stellatus gen. et sp. nov. in situ and in preservation. (H, I) N. elongatus gen. et sp. nov. in situ and in preservation.
(J–M) P. ornatus sp. nov., same specimen in situ (J) and in preservation (K–M), arrows indicate small autozooids of capitulum margin. (N–P) P. applanatus sp. nov., same specimen in situ (N, O) and in preservation (P). au, autozooids; o, oocytes; si, siphonozooids.

Scale bars = 10 mm (B, C, E), 20 mm (G, I, K, M), 5 mm (L), and 50 mm (P).

Neoanthomastus stellatus gen. et sp. nov., N. elongatus gen. et sp. nov.,

Anthomastus sphaericus sp. nov., A. tongi sp. nov.,

Pseudoanthomastus ornatus sp. nov., and P. applanatus sp. nov.

Yang Li, Junyuan Li, Kuidong Xu. 2025. Mushroom Soft Corals (Octocorallia: Coralliidae) From Seamounts in the Tropical Northwestern Pacific: Morphology and Phylogenetic Analysis Reveal a New Genus and Six New Species. Journal of Zoological Systematics and Evolutionary Research. DOI: doi.org/10.1155/jzs/4177670 [30 March 2025]

Typhonium cucullatum K.Z.Hein, P.Saensouk & Saensouk,

in P. Saensouk, S. Saensouk, Hein, Boonma, Rakarcha et Naive. 2025.

taiwania.ntu.edu.tw/abstract/2087

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Abstract

Typhonium cucullatum, a new species from Sakon Nakhon Province, Northeastern Thailand, is described and illustrated. A detailed description, color plates, a discussion of similar taxa, phenology, distribution, and a conservation status assessment are provided.

Keyword: Areae, Aroideae, Cretaceous sandstone, Indochina, spathe movement, Typhonium laoticum

Typhonium cucullatum sp. nov.
A. Excavated flowering individual showing adaxial surface of leaf blades, B. Side view of inflorescence at post-pistillate anthesis, C. Detail of spadix showing pistillate zone, sterile interstice, and staminate zone (nearside of spathe artificially removed), D. Spadix at post-pistillate anthesis (nearside of spathe artificially removed), E. Excavated flowering individual showing abaxial surface of leaf blades.
Spathe movement of Typhonium cucullatum sp. nov. during anthesis. A. & B. Inflorescence at early pistillate anthesis, spathe limb erect, gaping and expanding to reveal the staminate zone, C. & D. Inflorescence at middle pistillate anthesis, spathe limb reflexing and curling strongly backward, E. & F. Inflorescence at post-pistillate anthesis, spathe limb gradually curving forward, with the lower part of the spathe limb margins strongly convolute, closing over the staminate zone, G. & H. Inflorescence at staminate anthesis, forward curvature of the spathe limb most prominent. (A., C., E., G. Front view of inflorescence, B., D., F., H. Side view of inflorescence)

Photos by: Khant Zaw Hein.

Typhonium cucullatum K.Z.Hein, P.Saensouk & Saensouk, sp. nov.

Diagnosis: Typhonium cucullatum is unique within the genus in having a spathe limb that curves strongly forward, forming a hood-like shape at the end of pistillate anthesis and remaining intact through post-staminate anthesis despite signs of withering. In overall morphology, T. cucullatum is most similar to T. laoticum (Gagnepain, 1942), but can be readily distinguished by its spathe limb curving strongly forward (vs. the spathe limb reflexed backward in T. laoticum), a shorter staminate zone with 4–6 whorls of stamens (vs. 12–15 whorls of stamens in T. laoticum), and a stipitate appendix (vs. a sessile appendix in T. laoticum).

Etymology: The specific epithet is derived from the Latin cucullatus, meaning ‘hooded’, referring to the spathe limb becoming forwardly curved and hood-like.

Piyaporn Saensouk, Surapon Saensouk, Khant Zaw Hein, Thawatphong Boonma, Sarayut Rakarcha and Mark Arcebal K. Naive. 2025. Studies on Typhonium Schott (Araceae) of Thailand III: Typhonium cucullatum, A New Species from Sakon Nakhon Province, Northeastern Thailand. Taiwania. 70(3); 398-402. DOI: 10.6165/tai.2025.70.398 [2025 June 18] taiwania.ntu.edu.tw/abstract/2087

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Neonella almita Hagopián & Simó,

in Hagopián, Cajade, Maldonado, Pompozzi, Laborda et Simó. 2024.

DOI: doi.org/10.13156/arac.2024.19.9.1143

Researchgate.net/publication/385522126

Abstract

A new species of Neonella Gertsch, 1936 is described from Uruguay: N. almita n. sp., which inhabits natural grasslands. Additionally, first records of N. acostae Rubio, Argañaraz & Gleiser, 2015, and new records of N. lubrica Galiano, 1988, N. minuta Galiano, 1965, and N. montana Galiano, 1988 are given. Illustrations of the habitus, sexual characters, photographs of living specimens, natural history data and a distribution map of species of Neonella from Uruguay are provided. Conservation issues based on distributional patterns of the species are proposed.

KEYWORDS: conservation, Jumping spiders, natural history, taxonomy

Neonella almita n. sp., photographs in vivo.
A grassland with Saccharum angustifolium (Nees) Trin;
B, D, F male; C, E, G female.

Salticidae Blackwall, 1841

Salticinae Blackwall, 1841

Euophryini Simon, 1901

Neonella Gertsch, 1936

Neonella Gertsch, 1936: 24

(type species by monotypy: Neonella vinnula Gertsch, 1936).

Neonella almita Hagopián & Simó n. sp.

Etymology: The specific epithet is a Spanish noun in apposition and means ‘small soul’, in reference to the small size of the species and because it is one of the smallest jumping spiders in the world.

Damián Hagopián, Manuel Cajade, M. Belén Maldonado, Gabriel Pompozzi, Álvaro Laborda and Miguel Simó. 2024. A New Species of Neonella Gertsch, 1936 (Araneae: Salticidae: Euophryini), new records and conservation issues for the genus from Uruguay. Arachnology. 19(9):1143-1151. DOI: doi.org/10.13156/arac.2024.19.9.1143 [13 November 2024]

Researchgate.net/publication/385522126_A_new_species_of_Neonella_from_Uruguay

Iago gopalakrishnani

Bineesh, Beura, Das, Nashad & Akhilesh, 2025

DOI: doi.org/10.21077/ijf.2025.72.1.152519-03

Abstract

Sharks of the genus Iago Compagno and Springer, 1971 (Carcharhiniformes: Triakidae) that commonly occur in the deep waters of the Indo-Pacific, are an interesting group phylogenetically. Currently, three nominal species of Iago are known globally, namely, Iago garricki, I. omanensis and I. mangalorensis. In this study, we describe a new species of hound shark, Iago gopalakrishnani sp. nov. from the deep waters of eastern Arabian Sea, India. Iago gopalakrishnani sp. nov. is distinct in its dark chocolate brown to blackish colouration and low fins; pre-oral length 4.7–6% TL, 22.4-25% head length; first dorsal height 5.8-7% TL, first dorsal length 10.6–14.1% TL, first dorsal base length 6.7-9.8% TL, second dorsal length 8.9-10.9% TL and vertebral counts 117-123. Iago gopalakrishnani sp. nov. is genetically distinct from congeners. COI based analysis of Iago gopalakrishnani sp. nov formed a distinct clade in phylogenetic reconstruction with a genetic distance of 4.5-5.2% when comparing K2P parameters with congeners.

Keywords: Diversity, Genetics, Indian Ocean, Morphology, Sharks, Taxonomy

Iago gopalakrishnani sp. nov.
(a) Holotype dorsal view, Reg. No. MBRCF3164, adult female, 447 mm TL.
(b) Paratype dorsal view, Reg. No. MBRCF3165, adult male, 450 mm TL, (c) Paratype lateral view.

Iago gopalakrishnani sp. nov.
(a) Holotype, Regd. No. MBRCF3164, adult female, 447 mm TL, ventral view of head.
(b) Paratype 1, Regd. No. MBRCF3165, adult male, 450 mm TL, ventral view of head.

Iago gopalakrishnani sp. nov.

K. K. Bineesh, Sweta Beura, Moumita Das, M. Nashad and K. V. Akhilesh. 2025. Description of A New Species of Hound Shark, of the Genus Iago (Carcharhiniformes: Triakidae) from the northern Indian Ocean. Indian Journal of Fisheries. 72(1); DOI: doi.org/10.21077/ijf.2025.72.1.152519-03

Boswellia oropedionis Thulin & M.H.Weber,

in Thulin, Weber et Mubarak, 2025.

DOI: doi.org/10.1002/njb.04801

Abstract The new species Boswellia oropedionis Thulin and M.H.Weber is described, illustrated by photographs and mapped. This tree is only known from a small population growing on level limestone on the Qatariyah plateau in southern Socotra and is the twelfth endemic species of Boswellia from the Socotra archipelago. It differs from B. dioscoridis Thulin by having 7–9-foliolate leaves with pubescent nerves on the upper side, and by having larger flowers and fruits. Boswellia ameero Balf.f. is shown to have broadly winged pyrenes, an unusual feature in the genus and unique among the species on Socotra. Two new localities are reported for B. bullata Thulin, which is shown to have mostly narrowly winged pyrenes.

Keywords: endemic species, taxonomy, Yemen

Boswellia oropedionis sp. nov., from type locality, 21 May 2024.
(A) tree, showing expanded trunk-base, (B) upper branches of tree, showing leaves, inflorescences and young fruits. Photographs by Michael Weber.

Boswellia oropedionis Thulin and M.H.Weber sp. nov.

A species differing from Boswellia dioscoridis Thulin by having 7–9-foliolate leaves pubescent with crisped hairs along the nerves above (versus leaves mostly 11–17-foliolate and entirely glabrous above), petals 7.0 × 3.5 mm (versus 5.0 × 2.5–3.0 mm), stamens with filaments 3 mm (versus 1.5–2.0 mm) long and anthers 2.8 mm (versus 1.2–1.8 mm) long, disk 5.5 mm (versus 3.0–3.5 mm) in diameter, fruits 12–15 × 10–12 mm (versus 7–12 × 4–9 mm) and pyrenes 8.0–10.0 × 4.5–5.5 mm (versus 5.5–7.5 × 2.0–4.0 mm).

Etymology: The epithet ‘oropedionis' (from Greek for ‘of the plateau') refers to the habitat of the species.

Mats Thulin, Michael H. Weber and Sami Ali Mohammed Mubarak. 2025. Boswellia oropedionis (Burseraceae) sp. nov., a frankincense tree from Socotra, and notes on B. ameero and B. bullata.Nordic Journal of Botany. DOI: doi.org/10.1002/njb.04801[08 May 2025]

Aethalochroa kaltenbachi

Schwarz & Unnahachote, 2025

ตั๊กแตนตำข้าวมังกร || DOI: doi.org/10.1080/00379271.2025.2486825

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Summary

Aethalochroa kaltenbachi n. sp. is described from Thailand and Malaysia. The new species differs from congeners by very deep paramedian furrows on the vertex and much larger foliaceous lobes on the walking legs. The Javan genus Oestomantis Giglio-Tos, 1914 falls into the character variability observed for Aethalochroa Wood-Mason, 1877 and is downgraded here to subgenus level. An updated key to the genus is provided.

Keywords: Praying mantises, Toxoderinae, Aethalochroini, taxonomy, morphology, Oriental region

Aethalochroa kaltenbachi n. sp., live, Adult female

(photo: Nachanon Chotimongkol)

Aethalochroa kaltenbachi n. sp.

Christian J. Schwarz and Thornthan Unnahachote. 2025. A New Species of Aethalochroa Wood-Mason, 1877 (Mantodea: Toxoderidae) from mainland SE Asia, with A Reassessment of Oestomantis Giglio-Tos, 1914. Annales de la Société entomologique de France (N.S.): International Journal of Entomology. DOI: doi.org/10.1080/00379271.2025.2486825 [14 May 2025]

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Une nouvelle espèce d’Aethalochroa Wood-Mason, 1877 (Mantodea : Toxoderidae) d’Asie du Sud-Est, et commentaires à propos d’Oestomantis Giglio-Tos, 1914

Resumé: Aethalochroa kaltenbachi n. sp. est décrite de Thaïlande et de Malaisie. La nouvelle espèce diffère de ses congénères par des sillons paramédians très profonds sur le vertex et par des lobes foliacés beaucoup plus grands sur les pattes médianes et postérieures. Le genre javanais Oestomantis Giglio-Tos, 1914 tombe dans la variabilité des caractères observés pour Aethalochroa Wood-Mason, 1877, et est rétrogradé ici au niveau de sous-genre. Une clé d’identification pour le genre est proposée.

บทสรุป. ตั๊กแตนตำข้าวชนิดใหม่ในสกุล Aethalochroa Wood-Mason, 1877 (Mantodea : Toxoderidae) จากแผ่นดินเอเชียตะวันออกเฉียงใต้และความคิดเห็นเกี่ยวกับสกุล Oestomantis Giglio-Tos, 1914.

ตั๊กแตนตำข้าวชนิดใหม่ Aethalochroa kaltenbachi n. sp. ถูกบรรยายจากประเทศไทยและมาเลเซีย ตั๊กแตนตำข้าวชนิดนี้สามารถจำแนกจากชนิดอื่นๆ ในสกุลเดียวกันจากลักษณะของร่องลึกข้างตารวมบริเวณส่วนหัว และแผ่นขยายที่ส่วนของขาคู่กลางและขาคู่หลังที่มีขนาดใหญ่กว่าชนิดอื่นๆ อย่างชัดเจน นอกจากนั้นในการศึกษาครั้งนี้ ลักษณะของตั๊กแตนตำข้าวสกุล Oestomantis Giglio-Tos, 1914 จากชวา ที่ถูกมองว่าเป็นเพียงแค่ความแปรผันภายในระดับสกุล ส่งผลให้สถานะของตั๊กแตนตำข้าวดังกล่าวถูกลดระดับจากระดับสกุลให้อยู่ในสถานะสกุลย่อยของสกุล Aethalochroa Wood-Mason, 1877 เท่านั้น รวมถึงกุญแจในการจำแนกระดับชนิดของสกุล Aethalochroa Wood-Mason, 1877 ก็ถูกระบุไว้ในการศึกษาครั้งนี้ด้วยเช่นกัน.

Guibemantis sioka

Hutter, Andriampenomanana, Basham, Glaw, Masotti, Lambert & Vences, 2025

DOI: doi.org/10.11646/zootaxa.5647.3.3

Abstract

We describe a new species of arboreal mantellid frog of the genus Guibemantis (classified in the subgenus Guibemantis) from Madagascar. The new species, Guibemantis sioka sp. nov., is morphologically similar to G. depressiceps but differs by a high uncorrected genetic distance greater than 6% in the mitochondrial 16S rRNA gene from all other related species, and by a conspicuous dark-light marbling of the flanks, relatively large hands, and the structure of its advertisement calls from its closest relatives. Single individuals of the new species have been found at each of three high-elevation sites (1210–1650 m a.s.l.) in the Southern Central East and South East of Madagascar (Ranomafana National Park, Ivohiboro Reserve, and Andohahela National Park). If this apparent rarity was confirmed by future studies, it would stand in stark contrast to other Guibemantis which are often observed in large breeding aggregations.

Amphibia, Anura, Ranomafana, Maharira, new species, Guibemantis sioka sp. nov., taxonomy

Guibemantis sioka sp. nov.

Carl R. HUTTER, Zo F. ANDRIAMPENOMANANA, Edmund W. BASHAM, Frank GLAW, Matteo D. MASOTTI, Shea M. LAMBERT and Miguel VENCES. 2025. A New Species of mantellid frog of the Genus Guibemantis from south-eastern Madagascar. Zootaxa. 5647(3); 260-274. DOI: doi.org/10.11646/zootaxa.5647.3.3 [2025-06-16]

Bagarius protos & B. dolichonema

Zeng & Chen,

in Zeng, Pu, Lei, Oo et Chen, 2025.

DOI: doi.org/10.3897/zse.101.145776

Abstract

The genus Bagarius is a group of large, benthic, predatory catfishes found in South and Southeast Asia. Two new species of Bagarius, B. protos Zeng & Chen, sp. nov., and B. dolichonema Zeng & Chen, sp. nov., are described from the Salween River Basin, Yunnan Province, China, and Irrawaddy River Basin, Myanmar, respectively. Bagarius protos and B. dolichonema both differ from B. vegrandis and B. suchus in their large size and the adipose-fin origin being nearly vertical to the anal-fin origin. Bagarius protos most closely resembles B. lica and B. rutilus in overall morphology but can be distinguished from B. lica by the absence of the brow ridge formed by the lateral margin of the frontal and from B. rutilus by the dark yellow (instead of orange) coloration of the fins in life. It further differs from two other congeners in its short filamentous extensions of the pectoral-fin spine. Bagarius dolichonema is morphologically and genetically most similar to B. bagarius; it can be distinguished from B. bagarius by strong dorsal spines slightly flattened immediately anterior to the adipose fin, distally slender neural spines of the 4th–6th vertebrae, and shorter filamentous extensions of the pectoral-fin spine. This new species further differs from three other congeners by its longer filamentous extensions of the pectoral-fin spine and weak notches in the anterodorsal margin of the first dorsal pterygiophores. Molecular phylogeny based on the cytochrome c oxidase subunit I (COI) gene also confirms the validity of these two new species. The estimated K2P genetic distances between B. protos and congenerics range from 8.0% to 12.6%, and between B. dolichonema and congenerics range from 5.7% to 12.1%.

Key Words: Cryptic species, phylogeny, Southeast Asia, taxonomy

Living specimens of Bagarius protos sp. nov., paratype. KIZ202410548, 324 mm SL.

 Bagarius protos Zeng & Chen, sp. nov.

Diagnosis. Bagarius protos can be distinguished from congeners by having the following combination of characteristics: eye small (5–8% HL), lateral margin of frontal straight, not forming brow ridge, strongly notched in antero-dorsal margin of the first dorsal-fin pterygiophore, dorsal spine strong (width 10.6–14.4 times its length), filamentous extensions of pectoral-fin spine reaching posterior of anal-fin base, neural spines of 4th–6th vertebrae immediately anterior to adipose fin distally slender, adipose-fin origin at vertical through or very slightly posterior to anal-fin origin, caudal peduncle deep (4.2–5.1% SL).

Etymology. The epithet name “protos” consists of the Greek “protos,” meaning original (at first), referring to the species being in the most primitive position in the phylogenetic tree of genus Bagarius. The suggested common name in Chinese is 原魾 (Pinyin: yuan pi).

Fresh specimens of Bagarius dolichonema sp. nov., paratype, KIZ2024010542, 193.9 mm SL, photo by Tao Qin.
 Bagarius dolichonema Zeng & Chen, sp. nov.

Diagnosis. Bagarius dolichonema can be distinguished from congeners by the following combination of characteristics: lateral margin of frontal straight, not forming brow ridge, dorsal spine strong (width 9.9–14.1 times its length), weakly notched antero-dorsal margin on pterygiophore of first dorsal-fin, filamentous extensions of pectoral-fin spine beyond posterior of pelvic-fin base and some reaching anus, neural spines of 4th–6th vertebrae immediately anterior to adipose fin distally slightly flattened, adipose-fin origin at vertical through or very slightly posterior to anal-fin origin, caudal peduncle slender (3.8–4.6% SL).

Etymology. The epithet name “dolichonema” comes from the Greek adjective “dolikhos,” meaning long, and the noun “nēma,” meaning thread or yarn, which refers to the length of filamentous extensions with pectoral-fin spines and caudal fins that are the longest in congeners except for B. bagarius. The suggested common name in Chinese is 长丝魾 (Pinyin: chang si pi).

Yu-Yang Zeng, Xin-Rui Pu, Hao-Tian Lei, Thaung Naing Oo and Xiao-Yong Chen. 2025. A Taxonomic Review of Bagarius Catfish (Siluriformes, Sisoridae) in the Salween and Irrawaddy Rivers, with Descriptions of Two New Species from China and Myanmar. Zoosystematics and Evolution. 101(3): 1123-1136. DOI: doi.org/10.3897/zse.101.145776

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