Geophis nigroalbus BOULENGER, 1908
Can you confirm these amateur observations of Geophis nigroalbus?
Geophis nigroalbus
We have no photos, try to find some by Google images search: 
| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Colombian Earth Snake |
| Synonym | Geophis nigro-albus BOULENGER 1908 Catastoma nigroalbum — AMARAL 1929: 192 Geophis brachycephalus — DOWNS 1967: 146 Geophis negroalbus — MYERS 2003: 32 (in error) Geophis nigroalbus — WILSON & TOWNSEND 2007: 15 Geophis nigroalbus — WALLACH et al. 2014: 304 |
| Distribution | Colombia (Antioquia, Santander, and Valle de Cauca, Cordillera Oriental), 900-1700 m elevation (1350–1680 m fide SAVAGE & WATLING 2008). Type locality: Near Pavas, Valle, Colombia. |
| Reproduction | oviparous |
| Types | Holotype: BMNH 1946.1.6.50 (formerly BMNH 1909.4.30.71), juvenile, collected by N.G. Palmer, purchased from Rosenberg. |
| Diagnosis | Diagnosis: Distinguished from other species in the Geophis brachycephalus complex by the following combination of characters: (1) ventrals 134–143.5 ± 3.8–149 in males, 141–148.0 ± 5.2–157 in females; subcaudals 42–46.3 ± 2.1–51 in males, 37–41.3 ± 2.8–46 in females; total segmentals 180–190.0 ± 3.6– 197 in males, 181–189.3 ± 7.5–203 in females; (2) upper surfaces of body and tail uniform black; (3) hemipenis slightly bilobed with a long, slender capitulum about 3 times length of truncus (Myers, 2003). Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1112 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Synonymy: This species has been considered a synonym of Geophis brachycephalus (e.g. PETERS & OREJAS-MIRANDA 1970; Villa et al. 1988). |
| Etymology | Named after Latin nigrum, black, dark and Latin albus, white, pale. [“...Blackish above; head behind the supraoculars and frontal and lower parts white....”]. (from Esteban Lavilla, pers. comm., May 2024) |
| References |
|
| External links |