Coelognathus
| Coelognathus | |
|---|---|
 | |
| Montane Trinket Snake (Coelognathus helena monticollaris) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Colubridae |
| Subfamily: | Colubrinae |
| Genus: | Coelognathus Fitzinger, 1843 |
Indonesian ratsnake (Coelognathus subradiatus) in Baucau District, East Timor.
Coelognathus is a genus of five ratsnakes that were formerly assigned to the genus Elaphe. Based on morphological evidence and protein similarities, in 2001 Helfenberger re-validated the name Coelognathus that had originally been proposed by Leopold Fitzinger in 1843.[1] The distinction between Coelognathus and Elaphe was further supported by mitochondrial DNA sequence and additional morphological evidence in 2005.[2]
Species
The following species are recognized as being valid:[3]
- Coelognathus enganensis (Vinciguerra, 1892)
- Coelognathus erythrurus (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854) – Philippine rat snake
- Coelognathus flavolineatus (Schlegel, 1837) – yellow-striped ratsnake
- Coelognathus helena (Daudin, 1803) – trinket snake
- Coelognathus radiata (F. Boie, 1827) – copperhead ratsnake
- Coelognathus subradiatus (Schlegel, 1837) - Indonesian ratsnake
Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Coelognathus.
References
- ↑ Helfenberger N. (2001). "Phylogenetic relationships of Old World ratsnakes based on visceral organ topography, osteology, and allozyme variation". Russian Journal of Herpetology. 8: 1–62.
- ↑ Utiger U, Schätti B, Helfenberger N. (2005). "The Oriental colubrine genus Coelognathus Fitzinger, 1843, and classification of Old and New World racers and ratsnakes (Reptilia, Squamata, Colubridae, Colubrinae)" (PDF). Russian Journal of Herpetology. 12 (1): 32–53.
- ↑ "Coelognathus ". The Reptile Database. www.reptile-database.org.
Further reading
- Fitzinger L. 1843. Systema Reptilium, Fasciculus Primus, Amblyglossae. Vienna: Braumüller & Seidel. 106 pp. + indices. (Coelognathus, new genus, p. 26). (in Latin).
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