Myrmophylax Todd, 1927

Type species. Formicarius atrothorax Boddaert, 1783 .

Included species. Myrmophylax atrothorax (Boddaert) . BLACK-THROATED ANTBIRD.

Diagnosis. Distinguished from other genera in Myrmorchilus clade by blackish unmarked tail and gray unmarked ocular region and ear coverts (both sexes), by male dark olive brown above and dark gray below with extensively black foreparts, and by small white wing coverts spots (most subspecies). Loudsongs structurally distinct. Lowers tail slowly and flicks it up rapidly, differing from Myrmorchilus and Aprositornis. Affinity for edge habitats unique in clade. Cup nest differs from that of Myrmorchilus .