(Podocnemis_unifilis,(Erymnochelys_madagascariensis,(Peltocephalus_dumerilianus,(Mogharemys_blackenhorni,(Cordichelys_antiqua,(Latentemys_plowdeni,(Bairdemys_healeyorum,((Brontochelys_gaffneyi,(Lemurchelys_diasphax,(Shweboemys_pilgrimi,Stereogenys_cromeri))),(Bairdemys_winklerae,(Bairdemys_hartsteini,(Bairdemys_sanchezi,(Bairdemys_thalassica,Bairdemys_venezuelensis))))))))))));