Macrogenioglottus Carvalho, 1946
Macrogenioglottus Carvalho, 1946, Bol. Mus. Nac., Rio de Janeiro, N.S., Zool., 73: 1. Type species: Macrogenioglottus alipioi Carvalho, 1946, by monotypy.
Bahia Forest Frogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 82).
As for the single species: Atlantic forest in southern Bahia to São Paulo, Brazil.
Lynch, 1971, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 53, considered the genus to be a junior synonym of Odontophrynus, but later Lynch, 1973, Bioscience, 23: 497, reversed this decision. Silva, Haddad, and Kasahara, 2003, Bol. Mus. Nac., Rio de Janeiro, N.S., Zool., 499: 1-9, discussed the phylogenetic position of this taxon relative to the Bufonidae and Leptodactylidae (sensu lato) and suggested a distant relationship to Bufonidae, and retained this genus in Leptodactylidae (sensu lato). Amaro, Pavan, and Rodrigues, 2009, Zootaxa, 2071: 61-68, provided molecular evidence that recognition of this taxon renders Odontophrynus paraphyletic, with Odontophrynus carvalhoi the closest relative. Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, in their study of Genbank sequences, suggested that Macrogenioglottus is the sister taxon of Odontophrynus, at least based on their selection of exemplar species.
Contained taxa (1 sp.):
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