Tantilla slavensi PÉREZ-HIGAREDA, SMITH & SMITH, 1985
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Tantilla slavensi
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Slavens' Centipede Snake S: Culebra Centipedívora de Slavens |
| Synonym | Tantilla slavensi PÉREZ-HIGAREDA, SMITH & SMITH 1985 Tantilla slavensi — LINER 1994 Tantilla slavensi — LINER 2007 Tantilla slavensi — WILSON & MATA-SILVA 2014: 54 Tantilla slavensi — WALLACH et al. 2014: 706 |
| Distribution | Mexico (SE Veracruz), 50-800 m elevation Type locality: Cerro Chochobi, elevation 800 m. El Acuyal area, 8 km NW Catemaco, Veracruz, Mexico. |
| Reproduction | oviparous |
| Types | Holotype: CAR-EBTT (= IBH-LT = UNAM-LT) 1668 (Herpetological collection of the Estación Biolgia Tropical "Los Tuxtlas," Univ. Nac. Autónoma Mexico), adult female, collected 17 April 1983 by Gonzalo Perez-Higareda. |
| Diagnosis | Diagnosis (n=2): Lateral light stripe on scale rows 3 and 4; middorsal light line confined to vertebral scale row; lower third of first scale row mostly light, upper two-thirds uniformly dark, at midbody; light collar complete laterally but interrupted medially; lateral area, between lateral light line and ventral color, all densely pigmented; medial edge of lateral light line also densely pigmented; other areas on dorsum lightly pigmented; 159 ventrals, 56 subcaudals. Description of Holotype (Figs. 1, 2).-Dorsal scale rows 15 throughout body, smooth, lacking apical pits; anal divided; total length 346 mm, tail 69 mm. Dorsal head scales normal; nasal completely divided, suture of postseminasal with internasal subequal to that with prefrontal; latter narrowly contacting 2nd supralabial, separating nasal and preocular; two postoculars; temporals 1-1; supralabials 7-7, 3 and 4 contacting eye, 7th largest; infralabials 6-6, members of anterior pair in narrow medial contact, four contacting anterior chinshields, one (4th) contacting posterior chinshields, 4th largest; posterior chinshields in medial contact, about two-thirds size of anterior chinshields. Head mostly dark brown, darker on sides; upper edge of rostral and edges of adjacent scales light; a light preocular area involving all of 1st supralabial, most of postseminasal, lateral tip of prefrontal and anterior half of 2nd supralabial; a somewhat larger, more sharply defined postocular light area involving all except posteroventral corner of 5th supralabial, all except anterior edge of lower postocular, upper anterior tip of 6th supralabial and most of anterior half of anterior temporal; lower labium pigmented, thinly opposite preocular light area. Nuchal collar continuous ventrally with light color, one scale in length, interrupted medially by one scale, dimly involving posterior tip of 7th supralabial. A narrow vertebral light line beginning five scales posterior to parietals, occupying the median three-fifths of the middorsal scale row anteriorly but becoming virtually indistinguishable at the anus, not present on tail; vertebral light line more or less continuous on anterior third of trunk, but progressively more conspicuously interrupted at every scale toward rear of body; fragmented, narrow dark edges, limited to vertebral scale row, bordering middorsal light line on anterior third of body, not present posteriorly. A lateral light line on adjacent edges of scale rows 3 and 4, beginning three scales posterior to nuchal collar, scarcely evident on base of tail, disappearing on terminal half; a narrow dark brown medial border of lateral light line, limited to middle of 4th scale row on anterior half of body, expanding to merge with paravertebral pigmentation posteriorly; zone below lateral light line uniform dark brown except for dark edging along light line anteriorly; lower edge of lateral dark zone anteriorly involving upper edge only of 1st scale row, but dropping gradually to, but not onto, edge of ventrals near anus; middle third of body with sparse pigmentation on lower part of first scale row and on edges of ventrals; areas between vertebral and lateral light lines uniform light brown, except for edging previously described, lacking any evidence of linear pattern. Venter immaculate white, except as previously noted, in preservative, orange in life. (Pérez-Higareda et al. 1985) Additional details (2686 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | |
| Etymology | Named after Frank Slavens of the Woodland Park Zoo in Seattle. |
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