Nautilus clarkanus

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iNautilus clarkanus Fossil range: Carboniferous
Conservation status
Extinct (fossil)
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Order: Nautilida Family: Nautilidae Genus: Nautilus Species: N. clarkanus
Binomial name
Nautilus clarkanus Hall, 1858

Nautilus clarkanus is an extinct species of nautilus. It lived during the Lower Carboniferous. Fossil specimens have been uncovered in the Spergen Hill Limestone formation of Indiana. N. clarkanus has been grouped into a single taxon together with extant species based on their shared shell characters.

[edit] References

• On the Fauna of the Lower Carboniferous limnestones of Spergen Hill, Ind., with a revision of the descriptions of its Fossils hitherto published, and illustrations of the species from the original type series