Chelomophrynus
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''Chelomophrynus'' is an extinct
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of anurans in the family
Rhinophrynidae The Rhinophrynidae are a family of frogs containing one extant genus, the monotypic ''Rhinophrynus'', and a number of fossil genera. The family is sometimes known as the Mexican burrowing toads or simply burrowing toads. ''Rhinophrynus'' occurs ...
. A single species is known, ''Chelomophrynus bayi'' from the
Uintan The Uintan North American Stage is the North American faunal stage, typically set from 46,200,000 to 42,000,000 years before present lasting 4.2 million years. The Uintan Stage is a key part of the North American land mammal age, North American Lan ...
Wagon Bed Formation of
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
. It was probably a subterranean feeder, like the modern member of the family, ''
Rhinophrynus dorsalis The Mexican burrowing toad (''Rhinophrynus dorsalis'') is the single living representative of the family Rhinophrynidae. It is a unique species in its taxonomy and morphology, with special adaptations to assist them in digging burrows where they ...
''. As most burrowing anurans, it likely used its hind feet for digging, thereby entering ground backwards.


See also

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Prehistoric amphibian This list of prehistoric amphibians is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be amphibians, excluding purely vernacular terms. The list includes all commonly accepted gen ...
*
List of prehistoric amphibians This list of prehistoric amphibians is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be amphibians, excluding purely vernacular terms. The list includes all commonly accepted gen ...


References

Prehistoric amphibian genera Eocene amphibians Paleogene amphibians of North America Fossil taxa described in 1991 {{mesobatrachia-stub