Rhadinaea nuchalis GARCÍA-VÁZQUEZ, PAVÓN-VÁZQUEZ, BLANCAS-HERNÁNDEZ, BLANCAS-CALVA & CENTENERO-ALCALÁ, 2018
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Rhadinaea nuchalis
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Rhadinaea nuchalis GARCÍA-VÁZQUEZ, PAVÓN-VÁZQUEZ, BLANCAS-HERNÁNDEZ, BLANCAS-CALVA & CENTENERO-ALCALÁ 2018 |
| Distribution | Mexico (Guerrero) Type locality: 0.36 km SE of El Molote, municipality of Atoyac de Álvarez, Guerrero, México (17.4167°N; 100.1672°W), ca. 1720 m elevation |
| Reproduction | |
| Types | Holotype: MZFC HE 22161, (original field number JCBH 015) an adult male, collected by J.C. Blancas- Hernández on July 19, 2006. Paratype. MZFC HE 34958, (original field number CIG 1078) an adult male, from El Molote, municipality of Atoyac de Álvarez, Guerrero, México (17.4376°N; 100.1891°W), ca. 1680 m elevation, collected by Christoph I. Grünwald, Héctor Franz-Chávez, and Karen I. Morales-Flores on September 11, 2016. |
| Diagnosis | Diagnosis: A colubrid snake of the Rhadinaea decorata group (sensu Myers 1974) that may be distinguished from all other members of the genus Rhadinaea by the fol- lowing combination of character states: eight supralabials; 149–151 ventrals in males; 63–77 subcaudals in males; presence of two large pale nuchal blotches, forming an incomplete collar that occupies two scales laterally and bissected along the dorsal mid- line; postocular pale marking consisting of a well-defined and narrow line beginning anteriorly behind the upper posterior margin of the eye and extending posteriorly nearly horizontally until connecting with the nuchal blotches; and ground color of the flanks extending to the lateral portion of the ventrals. |
| Comment | Group: Rhadinaea decorata group |
| Etymology | The specific name nuchalis comes from the Latin nucha, meaning nape. It makes reference to the large nuchal blotches present in the new species. |
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