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Nautilus izumoensis
Taxonomy
Nautilus izumoensis was named by Yokoyama (1913). It is the type species of Nautilus.
It was recombined as Eutrephoceras izumoensis by Kummel (1956); it was recombined as Mizuhobaris izumoensis by Noda et al. (1986).
It was recombined as Eutrephoceras izumoensis by Kummel (1956); it was recombined as Mizuhobaris izumoensis by Noda et al. (1986).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Nautilus izumoensis Yokoyama p. 2 figs. Pl 8, figs 3-5 |
| 1956 | Eutrephoceras izumoensis Kummel p. 382 |
| 1960 | Nautilus izumoensis Kobayashi p. 121 figs. Pl 11, figs 1-3; pl 12, fig 3; text-fig 3 |
| 1986 | Mizuhobaris izumoensis Noda et al. |
| 1986 | Nautilus izumoensis Takayasu |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Nautilus izumoensis Yokoyama 1913
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Diagnosis
No diagnoses are available