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Taxonomy
Pinna calamitoides was named by Shumard (1858).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Pinna calamitoides Shumard p. 124 |
| 1879 | Pinna calamitoides Shumard |
| 1917 | Pinna calamitoides Waring p. 64 figs. Pl. 9, Fig. 4 |
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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.
†Pinna calamitoides Shumard 1858
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Diagnosis
No diagnoses are available