Megaginus emarginatus emarginatus Carriker, 1936: 98, pl. 10, figs 3, 3a–c. Veracruz: Crypturellus soui meserythrus, Tres Zapotes, 26 Feb. 1940, M.A. Carriker Jr (Carriker 1944a). Types: Holotype male and allotype female of Megaginus emarginatus lataclypeus deposited in USNM (68347). Note: Other specimens of M. emarginatus were described by Carriker (1944a) as “ Megaginus emarginatus lataclypeus, new subspecies ”.