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Liophryne Boulenger, 1897
Removed from the synonymy of Sphenophryne by Zweifel, 2000, Bull. Am. Mus. Nat. Hist., 253: 56, where it had been placed by Parker, 1934, Monogr. Frogs Fam. Microhylidae: 152. Revision in Zweifel, 2000, Bull. Am. Mus. Nat. Hist., 253: 1-130. Köhler and Günther, 2008, Mol. Phylogenet. Evol., 47: 353-365, found Liophryne to be deeply polyphyletic, with Liophryne schlaginhaufeni to be near the base of Asterophryinae and Liophryne rhododactyla and Liophryne dentata to form a nonmonophyletic group with a monophyletic group with Oxydactyla and Sphenophryne. Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, in their study of Genbank sequences, suggested that Liophryne schlaginhaufeni is the sister taxon of Genyophryne thompsoni and Liophryne rhododactylus is the sister taxon of a group composed of Liophryne dentata, Xenorhina obesa (rendering Xenorhina polyphyletic), Sphenophryne cornuta, and Hylophorbus rufescens.
Contained taxa (8 sp.):
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