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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 in the Central America north from Costa Rica to Mexico and Texas. Fossil finds of Rhinophrynidae come from Mexico, the United States, and Canada. ''Rhinophrynus'' is a burrowing ant and termite eater.
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 in the Central America north from Costa Rica to Mexico and Texas. Fossil finds of Rhinophrynidae come from Mexico, the United States, and Canada. ''Rhinophrynus'' is a burrowing ant and termite eater.
Systematics
The Rhinophrynidae are the sister taxon of thePipidae
The Pipidae are a family of primitive, tongueless frogs. The 41 species in the family Pipidae are found in tropical South America (genus ''Pipa'') and sub-Saharan Africa (the three other genera).
Description
Pipid frogs are highly aquatic and ...
. The clade
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
formed by these two genera is sometimes referred to as Xenoanura or superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
Pipoidea.
Genera
Extant genera: * '' Rhinophrynus'' or '' Mexican burrowing toad'' Fossil genera: * †'' Chelomophrynus'' Henrici 1991Wagon Bed Formation
The Wagon Bed Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
See also
* List of fossiliferous stratigraphic units in Wyoming
* Paleontology in Wyoming
Paleontology in Wyoming includes r ...
, Wyoming United States, Eocene
* †'' Eorhinophrynus'' Hecht 1959 Polecat Bench Formation, Wyoming, United States, Paleocene
* †'' Rhadinosteus'' Henrici 1998 Morrison Formation
The Morrison Formation is a distinctive sequence of Late Jurassic, Upper Jurassic sedimentary rock found in the western United States which has been the most fertile source of dinosaur fossils in North America. It is composed of mudstone, sandsto ...
, Utah, United States, Late Jurassic
The affinity of ''Eorhinophrynus'' is uncertain.
References
{{Taxonbar, from=Q3429460 Amphibian families Late Jurassic first appearances Taxa named by Albert Günther