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OXYRUNCIDAE - Sharpbill1 (1:1)
OXYRUNCUS Temminck, 1820 M - Oxyrhynchus flammiceps Temminck, 1822; type by subsequent monotypy (G.R. Gray, 1840, A List of the Genera of Birds, p. 17). = Oxyrhyncus cristatus Swainson, 1821  
Oxyruncus cristatus2 Sharpbill
frater (P.L. Sclater & Salvin, 1868) iCaribbean slope of mountains of Costa Rica and W Panama (east to Veraguas)
brooksi Bangs & Barbour, 1922 iMountains of E Panama (Darién); NC Colombia (?)
hypoglaucus (Salvin & Godman, 1883)3 vTepuis of S and SE Venezuela and adjacent N Brazil (N Roraima); the Guianas and N Brazil (Amapá); E Amazonian Brazil (E Pará from E bank of lower R. Tocantins to Serra dos Carajás)
cristatus Swainson, 1821 vE Brazil (E Pernambuco, Alagoas; S Goiás, Minas Gerais and Espírito Santo to Santa Catarina), E Paraguay and extreme NE Argentina (N Misiones)

1 Has been placed in Cotingidae, Tityridae, and Tyrannidae; maintained in monotypic family until relationships resolved. Tello et al. (2009) found that the tyrannid genera Onychorhynchus, Myiobius, and Terenotriccus grouped with Oxyruncus, and proposed that those three genera be transferred to Oxyruncidae. For placement in a separate monotypic family see Ohlson et al. (2013) [Ohlson, 2013 #14349].
2 The populations found locally on the east slope of the Andes of SE Ecuador (S Zamora-Chinchipe) to W Bolivia (La Paz) have not been assigned and may represent an undescribed subspecies; see Kirwan & Green (2011) [Kirwan, 2011 #14497].
3 Includes phelpsi and tocantinsi; see Mees (1974) [Mees, 1974 #2619] and Kirwan & Green (2011) [Kirwan, 2011 #14497].