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Cyclocardia mesembria
Taxonomy
Cyclocardia mesembria was named by Stilwell and Zinsmeister (1992) [DISTRIBUTION: Eocene; Seymour Island, Antarctica.]. Its type specimen is USNM 441626, a shell, and it is not a trace fossil.
Sister species lacking formal opinion data
Cardita subnipponica, C. antiqua, C. belogolovensis, C. erimoensis, C. ezoensis, C. hamiltonensis, C. kickxi, C. kovatschensis, C. longini, C. orientalis, C. ottonis, C. pilvoensis, C. poronaiensis, C. praeruptensis, C. roundiformis, C. subnipponica, C. tokudai, C. wajampolkensis, C. yakatagensis, Venericardia vestitoides
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Cyclocardia mesembria Stilwell and Zinsmeister p. 69 figs. pl. 69, figs. q, r |
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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.
†Cyclocardia mesembria Stilwell and Zinsmeister 1992
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Diagnosis
No diagnoses are available