Kingdom Animalia Class Cephalopoda Family Nautilidae Scientific name Nautilus cookanum | Phylum Mollusca Order Nautilida Genus Nautilus Rank Species | |
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Similar Nautilus stenomphalus, Allonautilus perforatus, Nautilus macromphalus, Allonautilus, Aturia | ||
Nautilus cookanum is an extinct species of nautilus. It lived during the Eocene epoch. N. cookanum placed within the genus Nautilus, together with extant species based on their shared shell characters. Fossils of the species from the Late Eocene Hoko River Formation are noted as one of the two oldest occurrences for the genus.
References
Nautilus cookanum Wikipedia(Text) CC BY-SA