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Taxonomy
Crania costata was named by Sowerby (1823).
It was recombined as Isocrania costata by Bitner and Pisera (1979), Johansen and Surlyk (1990), Gaspard and Odin (2001).
It was recombined as Isocrania costata by Bitner and Pisera (1979), Johansen and Surlyk (1990), Gaspard and Odin (2001).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1823 | Crania costata Sowerby figs. Pl. 35, Fig. 6 |
| 1979 | Isocrania costata Bitner and Pisera p. 70 fig. 2 |
| 1990 | Isocrania costata Johansen and Surlyk p. 836 figs. Pl. 1, Fig. 3-4 |
| 2001 | Isocrania costata Gaspard and Odin p. 432 figs. Pl 1, figs 3,4; pl 2, figs 11-13 |
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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.
†Isocrania costata Sowerby 1823
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Diagnosis
No diagnoses are available