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Orthocidaris
Taxonomy
Orthocidaris is a genus. It is not extant.
It was assigned to Orthopsidae by Fell and Pawson (1966); and to Orthopsida by Sepkoski (2002).
It was assigned to Orthopsidae by Fell and Pawson (1966); and to Orthopsida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Orthocidaris Fell and Pawson p. U438 |
| 2002 | Orthocidaris Sepkoski |
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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. †Orthocidaris
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Diagnosis
No diagnoses are available