Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Passeriformes Linnaeus, 1758 suboscines see Suborder Suboscines Tyranni see Suborder Tyranni Family Thamnophilidae Swainson, 1824 - antbirds Genus Megastictus Ridgway, 1909 [monotypic] 1 Megastictus margaritatus (P.L. Sclater, 1855) - pearly antshrike