Trimeresurus kraensis IDIIATULLINA, PAWANGKHANANT, SUWANNAPOOM, TAWAN, CHANHOME, NGUYEN, DAVID, VOGEL & POYARKOV, 2024
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Trimeresurus kraensis
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| Higher Taxa | Viperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Trimeresurus kraensis IDIIATULLINA, PAWANGKHANANT, SUWANNAPOOM, TAWAN, CHANHOME, NGUYEN, DAVID, VOGEL & POYARKOV 2024 Trimeresurus venustus – PAUWELS et al. 2013: 280 (partim) Trimeresurus venustus – SUMONTHA et al. 2021: 320 (partim) Trimeresurus cf. venustus – SUMONTHA et al. 2021: 321, fig. 9B. Trimeresurus cf. venustus 1 – IDIIATULLINA et al. 2023: 699, 704 |
| Distribution | Thailand (Chumphon) Type locality: Chumphon Province, Muang District, Banna Subdistrict, Wat [= Temple] Tham Sanook and its cave Tham Sanook, THAILAND; 10.48089° N, 99.07323° E; 65 m a.s.l. |
| Reproduction | |
| Types | Holotype: AUP-02036, adult female; 27 Jul. 2022; P. Pawangkhanant, N.A. Poyarkov and C. Suwannapoom leg.; . Paratypes: ZMMU Re-17664 (field label NAP-11581), 1 adult male; same collection data as for holotype; 27 Jul. 2022; 1 ♀ adult; same collection data as for holotype; 27 Jul. 2022; ZMMU Re-17666 (field label NAP-11582) • 1 ♀ subadult; same collection data as for holotype. |
| Diagnosis | Diagnosis: The new species is assigned to the subgenus Trimeresurus based on the following morphological attributes: a long papillose hemipenis and partially fused first supralabial and nasal scales (Malhotra & Thorpe 2004a; Idiiatullina et al. 2023). The new species Trimeresurus kraensis sp. nov. is distinguished from all other species of the subgenus Trimeresurus by the following combination of morphological characters: (1) a dark olive-green or bottle green dorsum; (2) dorsal pattern consisting of about 60 reddish-brown or purple blotches, transversally elongate but not reaching the lower part of the flanks, two or three series of dark brown spots forming a discontinuous pattern on the 1st to 3rd dorsal scale rows and white vertebral spots present in males, located approximately on every two or four dorsal scales; (3) venter creamish-green with some dark brown spots; (4) tips of the ventral plates both cream and dark brown, forming a discontinuous, alternating pale and dark, ventrolateral stripe; (5) males with a reddish-brown postocular stripe; (6) internasals generally in contact behind the posteror tip of the rostral; (7) single large supraocular scale; (8) iris pale copper, (9) tail brown with dark purplish-brown crossbars; (10) dorsal scales in 21–21–15 rows; (11) ventral scales 167 in a single male, 169–171 in females; (12) subcaudal scales 62 in a single male, 52–54 in females, all paired. (IDIIATULLINA et al. 2024) |
| Comment | Distribution: see map in Pawangkhanant et al. 2025: 2 (Fig 1), Pawangkhanant et al. 2025 (516 (Fig. 1). |
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