Conopsis acuta (COPE, 1886)
Can you confirm these amateur observations of Conopsis acuta?
|Higher Taxa||Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Synonym||Ogmius varians COPE 1870: 162|
Ogmius acutus COPE in FERRARI-PEREZ 1886: 189
Toluca lineata acuta — COPE 1886: 346
Chionactis diasii acutus — COPE 1898 (1900): 943
Toluca lineata acuta — SMITH 1942
Conopsis lineata wetmorei SMITH 1943
Conopsis acuta — GOYENECHEA & FLORES-VILLELA 2006
Conopsis acuta — WALLACH et al. 2014: 180
Conopsis acuta — MATA-SILVA et al. 2015
|Distribution||Mexico (Oaxaca, Puebla, and Veracruz), elevation 1800 to |
Type locality: restricted to: 2 millas E Ixtlán de Juárez (AMNH 91054) by GOYENECHEA & FLORES-VILLELA 2006 (see this paper for further comments on the 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: USNM 30552|
|Comment||The type locality of this species (”Juchitán, Oaxaca”) is in error.|
Diagnosis: This snake is characterized by the following combination of characters: divided internasals and prefrontals; brown dorsal coloration, or some individuals with a grayish dorsum and a vertebral line of elongated hexagonal spots; with tessellated sides, or two paravertebral dark lines. Ventrally it is yellowish or yellow-orange, with no spots or with a row of paired dots on each end of the ventral scales. It differs from C. nasus and C. megalodon by having divided prefrontals and internasals, scales fused in the latter two species. The dorsal spot pattern may be similar in the three. Conopsis acuta is a smaller snake (SVL 100–225 mm) compared to the other two species, C. nasus (SVL: 100–320 mm) and C. megalodon (SVL: 107–250 mm); C. acuta differs from C. lineata by lacking continuous lines along the dorsum and its smaller size (C. lineata SVL: 100–273 mm).
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