Classification of Spengler 1910
G. †Hercoglossa Conrad 1866
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†Hercoglossa rota Blanford 1861
†Hercoglossa trichinopolitensis Blanford 1861
†Hercoglossa utaturensis Stoliczka 1866
G. Nautilus Linnaeus 1758
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†Nautilus applanatus Zittel 1902
†Nautilus baluchistanensis Spengler 1910
†Nautilus fleuriausianus d'Orbigny 1840
†Nautilus huxleyanus Blanford 1861
†Nautilus justus Blanford 1861
†Nautilus pseudobouchardianus Spengler 1910
†Nautilus sphaericus Forbes 1846
Subg. †Nautilus (Cymatoceras) Hyatt 1884
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†Nautilus (Cymatoceras) crebricostatus Blanford 1861
†Nautilus (Cymatoceras) formosus Blanford 1861
†Nautilus (Cymatoceras) kayeanus Blanford 1861
†Nautilus (Cymatoceras) kossmati Spengler 1910
†Nautilus (Cymatoceras) negama Blanford 1861
†Nautilus (Cymatoceras) pseudonegama Spengler 1910
†Nautilus (Cymatoceras) saussureanus Pictet 1847
†Nautilus (Cymatoceras) semilobatus Spengler 1910