Pareas berdmorei THEOBALD, 1868
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Higher Taxa | Pareidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | Pareas berdmorei berdmorei THEOBALD 1868 Pareas berdmorei truongsonicus POYARKOV, NGUYEN, VOGEL, BRAKELS & PAWANGKHANANT 2022 Pareas berdmorei unicolor (BOURRET 1934) |
Common Names | E: Mengla Snail-eating Snake Chinese: 勐腊钝头蛇 (Mengla Dun-tou-she) |
Synonym | Pareas berdmorei THEOBALD 1868 Pareas menglaensis WANG, CHE, LIU, KI, JIN, JIANG, SHI & GUO 2020 Pareas berdmorei — DAVID & DEUTI 2022 Pareas menglaensis — WANG et al. 2022 Pareas (Pareas) berdmorei — POYARKOV et al. 2022: 45 Pareas berdmorei truongsonicus POYARKOV, NGUYEN, VOGEL, BRAKELS & PAWANGKHANANT 2022 Pareas berdmorei unicolor (BOURRET 1934) Amblycephalus carinatus unicolor BOURRET 1934 Pareas carinatus unicolor — NGUYEN et al. 2009 Pareas (Pareas) berdmorei unicolor — POYARKOV et al. 2022 |
Distribution | Myanmar, China, Vietnam, Laos, Thailand Type locality: Mon State, Myanmar menglaensis (invalid): China (Yunnan); Type locality: Mengla County, Yunnan Province, China, at an elevation of 700 m elevation. truongsonicus: Laos: Type locality: Nahin District, Khammouan Province, Laos. unicolor: Cambodia: Type locality: Kampong Speu Province, Cambodia. |
Reproduction | |
Types | Lectotype: ZSI 8022, adult male (Figs. 6C and 10 in Poyarkov et al. 2022): collected by T. M. Berdmore, designated by Poyarkov et al. 2022. Other specimens: ZSI. Holotype. YBU 14124, adult female, collected in June 2014. Paratypes. YBU 14141 and YBU 14142, two adult males from the same locality as the holotype but collected in July 2012 [menglaensis] |
Diagnosis | Diagnosis: Pareas berdmorei differs from other members of the genus Pareas by the following combination of morphological characters: maximal total length of 770 mm; frontal scale hexagonal with its lateral sides parallel to the body axis; the anterior pair of chin shields broader than long; loreal and prefrontal not contacting the eye; generally 1 or 2 preoculars; regularly 2 (rarely 1 or 3) suboculars; generally single postocular (rarely 0 or 2); temporals 3 + 4 or 3 + 3; one to three median vertebral dorsal scale rows slightly enlarged; generally 8 (7–9) infralabials; 15 dorsal scale rows, of them 3–13 scale rows at midbody feebly keeled; 162–187 ventrals; 57–89 subcaudals, all divided; dorsum yellow-brown to orange, dark markings on dorsum variable; thin upper postorbital stripes continue to nape often forming elongated dark markings; iris uniform, color varies from beige to bright reddish-orange (Theobald, 1868b; Bourret, 1934; Taylor, 1965; Ziegler et al., 2006; Yang & Rao, 2008; Le et al., 2014; Pham & Nguyen, 2019; Wang et al., 2020; Poyarkov et al. 2022). Additional details (14938 characters) are available for collaborators and contributors. Please contact us for details. |
Comment | Synonymy: Poyarkov et al. 2022 revalidated P. bermorei from the synonymy of P. carinatus and synonymized P. Pareas menglaensis with P. berdmorei. Distribution: see map in Poyarkov et al. 2022: Fig. 1. |
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