melanurus (no orizabensis were examined). Additionally, juveniles and some adults of erebennus, rubidus and unicolor display oblique dark bars on the sides of the neck, which appear to be homologous with the marks seen in D. “In Central America, Smith (1941) noted the existence of hybrid zones between melanurus on one hand and the taxa erebennus, orizabensis and rubidus on the other. melanurus (see comment there) which has been considered as a subspecies of D. from Costa Rica) have been assigned to D. ![]() couperi have been elevated to full species status. Subspecies: Drymarchon corais margaritae and D. corais does not occur north of Colombia (previous versions of the database listed USA (Texas, Florida ?), Mexico (Yucatan, Aguascalientes, Tamaulipas, Morelos, Jalisco), Guatemala, Belize, El Salvador, Nicaragua, Trinidad, Tobago). With the transfer of various subspecies to D. melanurus, a former subspecies of corais, is found in Panama. 2014 and McCranie 2015 although it had been reported from this country (e.g. melanurus) not in Honduras fide Solis et al. Type species: Coluber corais BOIE 1827 is the type species of the genus Drymarchon FITZINGER 1843: 26.ĭistribution: see map in McCranie 1980 (including subspecies now included on D. Hatchlings are often marked anteriorly with poorly-defined crossbands or light speckling, coloration lost in adults. The adult dorsal color is geographically variable (see subspecific definitions in the species account). The hemipenis is bilobed, the proximal half naked, followed by a zone of relatively small spines, and with the distal portion having fringed calyces. The anterior mandibular teeth are slightly longer than the posterior ones. ![]() The maxillary teeth number 17 or 18 and are smooth and subequal. The ventrals number 182 to 222, the subcaudals 55 to 88 (divided), with neither showing significant sexual dimorphism. The temporals are normally 2+2, but can be 2+ 1 or 2+3. The nasal, loreal, and preocular are all single. The infralabials are usually 8 (sometimes 7, 9, or 10 on at least one side). The supralabials are usually 8 (sometimes 7 or 9) with the antepenultimate one wedge-shaped. The dorsal scales are smooth or feebly keeled, with two apical pits, and are in 17 rows at midbody, and 14 or 15 (rarely 13 or 16) at the vent. Drymarchon is a very large colubrid with a maximum known length of 2,950 mm. Holotype: nondesignated (McCranie 1980) ĭEFINITION (genus). 2014: 244Ĭolombia, Venezuela (Mérida), Guyana, French Guiana,Brazil (Amapá, Rondonia, Roraima, Goias, Acre, Bahia, Rio de Janeiro, Paraíba, Sergipe), Ecuador, Peru, Bolivia, N Argentina (Chaco, Formosa), Paraguay (LEYNAUD & BUCHER 1999) 2006: 83ĭrymarchon corais - WALLACH et al. Geoptyas collaris STEINDACHNER 1867: 271 (fide BOULENGER 1894)ĭrymarchon corais corais - STEJNEGER 1899ĭrymarchon corais flaviventris - AMARAL 1925ĭrymarchon corais corais - BEEBE 1946: 26ĭrymarchon corais corais - GASC & RODRIGUES 1980ĭrymarchon corais corais - GORZULA & SEÑARIS 1999ĭrymarchon corais corais - SCROCCHI et al. Spilotes corais - DUMÉRIL & BIBRON 1854: 223 (?) Portuguese: Caninana, Caninana-Balão, Guigraupiagoara, Papa-Ova, Papa-Ovo, Papa-Pinto ![]() Find more photos by Google images search:Ĭolubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)Į: Western Indigo Snake, Indigo Snake, Yellow-tail Cribo
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |