Achalinus zugorum MILLER, DAVIS, LUONG, DO, PHAM, ZIEGLER, LEE, DE QUEIROZ, REYNOLDS & NGUYEN, 2020
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Achalinus zugorum
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| Higher Taxa | Xenodermidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Vietnamese: Ran xe dieu zug E: Zugs’ Odd-Scaled Snake |
| Synonym | Achalinus zugorum MILLER, DAVIS, LUONG, DO, PHAM, ZIEGLER, LEE, DE QUEIROZ, REYNOLDS & NGUYEN 2020 |
| Distribution | Vietnam (Ha Giang) Type locality: Lùng Càng Village, Minh Ngoc Commune, Bac Me District, Ha Giang Province, Vietnam, 22.7162208N, 105.1892788E (WGS 84), 228 m elevation |
| Reproduction | |
| Types | Holotype. IEBR 4698 (field series tag: USNM-FS 280214), adult male (Figs. 4, 5), Aryeh H. Miller, Hayden R. Davis, Anh M. Luong, and Quyen H. Do, 19 June 2019 (at night between 2000–2100 hrs). |
| Diagnosis | Diagnosis: Achalinus zugorum differs from all other species of Achalinus by the following combination of morphological characteristics (Supplementary Table 1; see Data Accessibility): dorsal scales elliptical; one dorsal scale directly above each ventral scale; absence of everted labial scales; preocular absent (fused with prefrontal or loreal scale); maxillary teeth 28, all teeth curved and equal in size; internasal suture distinctly longer than that between the prefrontal suture; internasals not fused to prefrontals; loreal fused with prefrontals; seven infralabials; mental very narrow, separated from anterior chin shields; two elongated anterior temporals, in contact with eye, and two posterior temporals; dorsal scales in 25–23–23 rows, keeled; ventrals 173; subcaudals 70, unpaired; a maximum known total length of 458 mm, TailL/ TotalL ratio of 0.23; dorsum purple to jet black in life and in preservative, lower and posterior portions of head pink-gray, ventral surface iridescent and uniform black with margins of ventral scales pink-gray (Miller et al. 2020). |
| Comment | Abundance: only known from a single specimen (2023). |
| Etymology | Named after George R. Zug and Patricia B. Zug. |
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