Hypopachus
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| Scientific name | ||||||||||||
| Hypopachus | ||||||||||||
| Keferstein , 1867 |
Hypopachus is an amphibian genus of the family -mouthed .
description
The pupils are vertical. The tongue is elliptical with entire margins and freely liftable at the back. Palatine teeth are missing. There is a fold of skin between the choanas and in front of the throat. The eardrum is invisible. The fingers are free, the toes are connected by a web of webbing . This does not intervene between the metatarsi of the 4th and 5th toes. The tips of the fingers and toes are blunt and have simple bony terminal phalanges. The omosternum is missing. The sternum is cartilaginous. The transverse processes of the sacral vertebra are moderately widened.
Occurrence
The genus occurs from southern Texas in the USA and southern Sonora in Mexico to Costa Rica .
Systematics
The genus Hypopachus was first described by Wilhelm Moritz Keferstein in 1867. It includes 4 types:
- Hypopachus barberi Schmidt, 1939
- Hypopachus pictiventris (Cope, 1886)
- Hypopachus ustus (Cope, 1866)
- Hypopachus variolosus (Cope, 1866)
Individual evidence
- ^ Fritz Nieden: Anura II . In: FE Schulze, W. Kükenthal, K. Heider (Ed.): Das Tierreich . Walter de Gruyter & Co., Berlin and Leipzig 1926, p. 70.
- ↑ a b Darrel R. Frost: Hypopachus Keferstein, 1867 . In: Amphibian Species of the World: an Online Reference . Version 6.0 (accessed March 1, 2014). ( online ).
