Hymenochirus Boulenger, 1896

Class: Amphibia > Order: Anura > Family: Pipidae > Subfamily: Dactylethrinae > Genus: Hymenochirus
4 species

Hymenochirus Boulenger, 1896, Ann. Mag. Nat. Hist., Ser. 6, 18: 420. Type species: Xenopus boettgeri Tornier, 1896, by monotypy.

English Names

Dwarf Clawed Frogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 96).


Forested equatorial Africa from Nigeria and Cameroon south through Gabon and east throughout the Congo River Basin.


Sokol, 1977, J. Morphol., 154: 357, discussed intergeneric affinities. Perret, 1966, Zool. Jahrb., Jena, Abt. Syst., 93: 304, provided a key to species. Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 119, considered Hymenochirus to be the sister taxon of remaining pipids. Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, in their molecular study, considered Hymenochirus to be the sister taxon of Silurana + XenopusChanning, Rödel, and Channing, 2012, Tadpoles of Africa: 287–261, provided information on comparative larval morphology. Frétey, Dewynter, and Blanc, 2011, Clé de détermination, Amph. Afri. Centr. Angola: 1–232, provided a key for identification in Gabon and Equatorial Guinea. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 40–41, provided brief accounts, photographs, and range maps for the species.

Contained taxa (4 sp.):

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