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Taxonomy
Cyclinorbis was named by Makiyama (1926) [Sepkoski's age data: T Mi-l]. It is not extant.
It was reranked as Cyclina (Cyclinorbis) by Matsubara et al. (2010).
It was assigned to Veneroida by Sepkoski (2002); and to Cyclina by Matsubara et al. (2010).
It was reranked as Cyclina (Cyclinorbis) by Matsubara et al. (2010).
It was assigned to Veneroida by Sepkoski (2002); and to Cyclina by Matsubara et al. (2010).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Cyclinorbis Makiyama |
| 2002 | Cyclinorbis Sepkoski |
| 2010 | Cyclina (Cyclinorbis) Matsubara et al. p. 138 |
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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.
Subg. †Cyclina (Cyclinorbis) Makiyama 1926
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Diagnosis
No diagnoses are available