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Orbicyathus
Taxonomy
Orbicyathus was named by Vologdin (1937) [Sepkoski's age data: Cm Tomm-u Cm Boto-u].
It was assigned to Ajacicyathida by Sepkoski (2002); and to Ajacicyathidae by Kerner et al. (2011).
It was assigned to Ajacicyathida by Sepkoski (2002); and to Ajacicyathidae by Kerner et al. (2011).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Orbicyathus Vologdin |
| 2002 | Orbicyathus Sepkoski |
| 2011 | Orbicyathus Kerner et al. p. http://archaeocyatha.infosyslab.fr/gener |
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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.
G. †Orbicyathus Vologdin 1937
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Diagnosis
No diagnoses are available