Lycodon poyarkovi NGUYEN & VOGEL, 2025
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Lycodon poyarkovi
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Poyarkov’s Big-tooth Snake Vietnamese: Rắn khuyết Trường sơn |
| Synonym | Lycodon poyarkovi NGUYEN & VOGEL 2025 Lycodon paucifasciatus (non Lycodon paucifasciatus Rendahl in Smith, 1943)—orlov et al. (2003: 217–240: in part) Lycodon paucifasciatus — Ziegler et al. (2004: 34, in part) Lycodon paucifasciatus — Nguyen et al. (2009: 320, in part) Lycodon paucifasciatus — Vogel et al. (2009: 131–182, in part) Lycodon paucifasciatus — Luu et al. (2013: 297, in part) Lycodon paucifasciatus — Poyarkov et al. (2023: 343, in part) Lycodon paucifasciatus — Uetz et al. (2024, page “Lycodon paucifasciatus”, in part). Dinodon rosozonatum — Luo et al. 2010: 579–582, in part) (non Dinodon rosozonatum Hu & Zhao, 1966) Lycodon cf. rosozonatum — Pham et al. (2019: 166) Dinodon rufozonatum — Ziegler et al. (2004: 34, in part) (non Lycodon rufo-zonatus Cantor, 1842) Dinodon rufozonatum — Nguyen et al. (2009: 320, in part) Dinodon rufozonatum — Luu et al. (2013: 97, in part) |
| Distribution | Vietnam (Quang Binh) Type locality: Phong Nha-Ke Bang National Park, Minh Hoa District, Quang Binh Province, Vietnam (Fig. 4). |
| Reproduction | |
| Types | Holotype: ZFMK 80661 (adult female) collected. Paratypes (n=3): DTu 616 (adult female) collected in Dong Chau-Khe Nuoc Trong Nr, Kim Thuy Commune, le Thuy District, Quang Binh Province, Vietnam (16.976815°N, 106.639777°E; elevation 200 m a.s.l.) by T.Q. Phan on 01 May 2023; ZFMK 80662 (adult male; Fig. 5) and ZFMK 86452 (adult female) collected in Phong Nha- Ke Bang NP, Quang Binh Province, Vietnam. |
| Diagnosis | Diagnosis: A new species of the genus Lycodon, characterized by: size medium-large, maximum total length up to 817 mm; loreal usually not in contact with eye; dorsal scale rows 19–17(rarely 19)–15; 5–7 dorsal scale rows keeled at midbody; 221–228 ventrals; 83–92 subcaudals, paired; 8 supralabials with numbers 3–5 touching the eye; 1 preocular, 2 postoculars; temporals 2+3; anal plate undivided; dorsal crossbands narrow, with pinkish orange color, 24–33 crossbands on dorsum, 11–14 crossbands on tail, first crossband starting at VEN 10–15; head black, the plates conspicuously margined with pinkish-orange; venter reddish orange or cream; upper maxillary teeth: 6+3–4+2. (Nguyen & Vogel 2025) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 8496 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | |
| Etymology | Named after Nikolay A. Poyarkov, an Assistant Professor at the lomonosov Moscow State university (Moscow, russia), in recognition of his contribution to the herpetology, especially on the Indo-Burma region including Vietnam |
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