Taxonomic revision of Myrmeciza (Aves: Passeriformes: Thamnophilidae) into 12 genera based on phylogenetic, morphological, behavioral, and ecological data Isler, Morton L. Bravo, Gustavo A. Brumfield, Robb T. Zootaxa 2013 3717 4 469 497 4RSQ Sclater, 1858 Sclater 1858 [151,478,654,680] Aves Thamnophilidae Gymnocichla Animalia Passeriformes 22 491 Chordata genus    Typespecies.  Myiothera nudicepsCassin, 1850.  Included species.  Gymnocichla nudiceps(Cassin). BARE-CROWNED ANTBIRD.   Diagnosis.Distinguished from other genera in  longipesclade by plumage. Extensive bare crown of male and mostly unmarked black male and brown female plumages distinctive. Differs from  Pyriglenain tail length and bill length proportions. Domed-shaped nest differs from nest of  Myrmeciza..