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Clionychia undata
Taxonomy
Pterinea undata was named by Emmons (1842) [DISTRIBUTION: Ordovician; North America.]. It is not a trace fossil.
It was recombined as Ambonychia undata by Hall (1847); it was recombined as Clionychia undata by Ulrich (1894) and Soot-Ryen and Soot-Ryen (1960); it was recombined as Cleionychia undata by Pojeta (1966).
It was recombined as Ambonychia undata by Hall (1847); it was recombined as Clionychia undata by Ulrich (1894) and Soot-Ryen and Soot-Ryen (1960); it was recombined as Cleionychia undata by Pojeta (1966).
Synonymy list
Year | Name and author |
---|---|
1842 | Pterinea undata Emmons p. 395 |
1847 | Ambonychia undata Hall p. 165 |
1894 | Clionychia undata Ulrich pp. 497-498 figs. pl. 35 f. 21-22 |
1960 | Clionychia undata Soot-Ryen and Soot-Ryen p. 105 |
1966 | Cleionychia undata Pojeta p. 180 figs. pl. 34 f. 1-5 |
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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.
†Clionychia undata Emmons 1842
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Diagnosis
No diagnoses are available