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Opissaster
Taxonomy
Opissaster was named by Pomel (1883) [Sepkoski's age data: T Eo-l T Plio Sepkoski's reference number: 577,942].
It was assigned to Hemiasteridae by Fischer (1966); to Schizasteridae by Henderson (1975); and to Spatangoida by Sepkoski (2002).
It was assigned to Hemiasteridae by Fischer (1966); to Schizasteridae by Henderson (1975); and to Spatangoida by Sepkoski (2002).
Species
Synonymy list
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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. †Opissaster Pomel 1883
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†Opissaster cantabriae Sanchez-Roig 1953
†Opissaster derasmoi Checchia-Rispoli 1850
†Opissaster herrerae Lambert and Sanchez Roig 1923
†Opissaster rotundatus Zittel 1864
†Opissaster tainui Henderson 1975
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Lutetian to the top of the Tongaporutuan or 47.80000 to 6.50000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | Qatar | O. derasmoi (209101 209104) | |
| Aquitanian | New Zealand | O. rotundatus (146338 146340 146346 146348) | |
| Otaian | New Zealand | O. rotundatus (155800) | |
| Burdigalian | Qatar | O. derasmoi (209108) | |
| Burdigalian - Langhian | Italy (Sardinia) | O. sp. (187430 187431) | |
| Tongaporutuan | New Zealand | O. tainui (155845) |