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Ophiopetra
Taxonomy
Ophiopetra was named by Enay and Hess (1962) [Sepkoski's age data: J Kimm-u]. It is not extant. Its type is Ophiopetra lithographica. It is the type genus of Ophiopetrinae.
It was assigned to Ophiodermatidae by Enay and Hess (1962) and Spencer and Wright (1966); to Aplocomidae by Hess (1965) and Hess (1972); to Ophiurida by Sepkoski (2002); and to Ophiopetrinae by Hess and Meyer (2008).
It was assigned to Ophiodermatidae by Enay and Hess (1962) and Spencer and Wright (1966); to Aplocomidae by Hess (1965) and Hess (1972); to Ophiurida by Sepkoski (2002); and to Ophiopetrinae by Hess and Meyer (2008).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Ophiopetra Enay and Hess |
| 1965 | Ophiopetra Hess p. 175 |
| 1966 | Ophiopetra Spencer and Wright p. U98 |
| 1972 | Ophiopetra Hess p. 39 |
| 2002 | Ophiopetra Sepkoski |
| 2008 | Ophiopetra Hess and Meyer p. 36 |
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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. †Ophiopetra Enay and Hess 1962
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†Ophiopetra bathonica Hess 1964
†Ophiopetra lithographica Enay and Hess 1962
†Ophiopetra oertlii Hess 1965
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Hess and C. A. Meyer 2008 | Teeth conical; 3-4 arm spines, length up to two arm segments; dorsal arm plates triangular with convex distal edge, in contact only in proximal part of arms. |