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Nautilus sphaericus
Taxonomy
Nautilus sphaericus was named by Forbes (1846). It is a 3D body fossil. Its type locality is Pondicherry, which is in a Maastrichtian marine sandstone/claystone in the Valudavur Formation of India.
It was recombined as Eutrephoceras sphaericum by Kummel (1956), Wiedmann (1960), Shimansky (1975), Klinger (1985), Wilmsen and Aly (2019).
It was recombined as Eutrephoceras sphaericum by Kummel (1956), Wiedmann (1960), Shimansky (1975), Klinger (1985), Wilmsen and Aly (2019).
Sister species lacking formal opinion data