Opisthothylax Perret, 1966

Class: Amphibia > Order: Anura > Family: Hyperoliidae > Subfamily: Hyperoliinae > Genus: Opisthothylax
1 species

Opisthothylax Perret, 1966, Zool. Jahrb., Jena, Abt. Syst., 93: 445. Type species: Megalixalus immaculatus Boulenger, 1903, by monotypy.

English Names

Gray-eyed Frogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 69).

Orange Frogs (Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 152).


Southern Nigeria through southern Cameroon, to Gabon and southwestern Dem. Rep. Congo.


See Perret, 1966, Zool. Jahrb., Jena, Abt. Syst., 93: 445-446, for brief account. Transferred from the Hyperoliinae to Kassininae by Channing, 1989, S. Afr. J. Zool., 24: 116. See Schiøtz, 1999, Treefrogs Afr.: 312-313, for accounts. See comment under Hyperoliidae.

Contained taxa (1 sp.):

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