Cephalopoda - Nautilida - Liroceratidae

Full reference: R. E. Crick and E. S. Sobolev. 1994. Perunautilus quadratus n. gen. et sp. (Cephalopoda, Nautilida) from the Triassic (Norian) of Central Peru. Palaeontographica Abteilung A 233:161-167

Parent taxon: Liroceratidae according to D. Korn 2025

See also Crick and Sobolev 1994 and Sepkoski 2002

Sister taxa: Bistrialites, Celeroliroceras, Coelogasteroceras, Condraoceras, Hemiliroceras, Jianoceras, Leniceras, Liroceras, Nemdoceras, Neobistrialites, Paraliroceras, Paranautilus, Peripetoceras, Potoceras, Pseudophacoceras, Shikhanonautilus, Stearoceras, Tatianautilus, Thyoceras, Tomponautilus

Subtaxa: Perunautilus quadratus

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Type: Perunautilus quadratus

Ecology: nektobenthic carnivore

Distribution: found only at 84-SH-7, Shalypayco (Triassic of Peru)

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Specimen images are retrieved through the ePANDDA API.