Thamnophis bogerti ROSSMAN & BURBRINK, 2005
Can you confirm these amateur observations of Thamnophis bogerti?
|Higher Taxa||Natricidae, Colubroidea, Serpentes (snakes)|
|Synonym||Thamnophis bogerti ROSSMAN & BURBRINK 2005|
Type locality: Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Holotype: AMNH 93237, an adult male, from Mexico, Oaxaca, El Tejocote, 2377 m elevation; collected 11 October 1964 by C. M. Bogert.|
|Comment||Etymology: Named after Charles Mitchill Bogert (1908-1992), former curator of the Department of Herpetology of the American Museum of Natural History.|
Habitat: oak woodland, pine-oak forest, and pine-oak-madroño forest in the Mesa del Sur of Oaxaca, exclusive of the Sierra de Juárez. Recorded elevations that are likely to be valid range from 2195-2743 m.
Diagnosis. Thamnophis bogerti can be distinguished from all other Mexican species of the genus by the following combination of characteristics: (1) maximum DSR 17; (2) maxillary teeth 17-20; (3) top of head unpatterned; (4) two rows of relatively small black spots between light vertebral and lateral stripes; (5) nuchal blotch coloration variable, although only 15% have predominantly brown blotches; (6) prominence of black bar along posterior suture of SL 5 equal to, or less than, bar along SL 6 and 7 suture; (7) V averaging 145 in males, 140 in females; (8) SC averaging 70 in males, 62 in females; (9) tail of moderate length (mean T/TL 25% in males, 23% in females; (10) prefrontal suture usually slightly longer than internasal suture (mean PFL/INL 106%); (11) muzzle tip usually broad (mean INR/NR 115%); (12) anterior nasal usually shorter than posterior nasal (mean AN/PN 81%); (13) parietals usually of moderate length (mean FL/PL 77%); and (14) frontal usually relatively broad posteriorly (mean FWP/FWA 79%).