Bolton, 1984: 381 (diagnosis, key); Bolton, 1994: 106 (synoptic classification); Bolton, 1995a: 1041 (census); Bolton, 1995b: 14 (catalogue); Bolton, 1998a: 72 (comparative morphology, monophyly, relationships); Bolton, 2003: 54, 192 (diagnosis, synopsis); Baroni Urbani & De Andrade, 2007: 81 (classification).