. "Trigonias preoccidentalis"^^ . "Trigonias tetradactylum"^^ . "Trigonias taylori"^^ . . "Trigonias osborni"^^ . . "Trigonias cooki"^^ . "Trigonias gregoryi"^^ . "Caenopus premitis"^^ . "Trigonias hypostylus"^^ . "Trigonias paucidens"^^ . "Trigonias precopei"^^ . "PaleoDB:52444"^^ .