Cephalopoda - Nautilida - Liroceratidae

Parent taxon: Liroceratidae according to C. Teichert et al. 1964

Sister taxa: Alexandronautilus, Bistrialites, Condraoceras, Hemiliroceras, Indonautilus, Liroceras, Paranautilus, Peripetoceras, Permonautilus, Perunautilus, Potoceras, Tomponautilus

Subtaxa: Coelogasteroceras angulum, Coelogasteroceras mexicanum, Coelogasteroceras thomasi

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Ecology: nektobenthic carnivore