Geophis berillus BARRAGÁN-RESÉNDIZ, PAVÓN-VÁZQUEZ, CERVANTES-BURGOS, TRUJANO-ORTEGA, CANSECO-MÁRQUEZ & GARCÍA-VÁZQUEZ, 2022
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Geophis berillus
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Geophis berillus BARRAGÁN-RESÉNDIZ, PAVÓN-VÁZQUEZ, CERVANTES-BURGOS, TRUJANO-ORTEGA, CANSECO-MÁRQUEZ & GARCÍA-VÁZQUEZ 2022: 270 |
| Distribution | Mexico (México) Type locality: Rancho el Pinalito, municipality of Valle de Bravo, Estado de México, Mexico (19.09238N, 100.080288W; datum WGS84 in all cases), 2,328-m elevation |
| Reproduction | |
| Types | Holotype: MZFC-HE 35651 (Field Number UOGV 2723, Fig. 2–3A in Barragan-Resendiz et al. 2022), an adult male, collected by M. Trujano-Ortega and U.O. Garc ́ıa-Va ́ zquez on 19 June 2015. Paratypes. A juvenile female and an adult female (MZFZ 4404–4405) from the road to San Lucas del Pulque, municipality of Temascaltepec, Estado de Me ́xico, Mexico (19.09818N, 100.04558W), 2,272-m elevation, collected by R.I. Cervantes-Burgos, D. Garc ́ıa-Morales, D. Rivera, and A.E. Valdenegro-Brito in July–August 2016. |
| Diagnosis | Diagnosis: Geophis berillus sp. nov. is distinguished by having the fifth supralabial and parietal in contact; keeled dorsal scales, lacking apical pits, arranged in 17 rows; 149 ventrals (n = 1) in males and 151–152 (n = 2) in females; a uniformly dark nuchal region; and the lower portion of each scale in the first dorsal scale row pale. (Barragán-Reséndiz et al. 2022) Additional details (6922 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Distribution: see map in BARRAGAN-RESÉNDIZ et al. 2022: 273 (Fig. 5) |
| Etymology | The specific name is treated as a noun in apposition and comes from the Latin ‘‘berillus,’’ meaning beryl. This mineral is colorless in its pure form but can attain a wide variety of colors in the presence of impurities. The name references the iridescent shine that is present throughout the otherwise dark body of all known specimens of the new species. |
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