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Echinaster
Taxonomy
Echinaster was named by Müller and Troschel (1840) [Sepkoski's age data: T Than-u R Sepkoski's reference number: 934]. It is extant. It is the type genus of Echinasteridae.
It was assigned to Echinasteridae by Verrill (1870) and Spencer and Wright (1966); and to Spinulosida by Sepkoski (2002).
It was assigned to Echinasteridae by Verrill (1870) and Spencer and Wright (1966); and to Spinulosida by Sepkoski (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Rhopia Gray p. 282 |
| 1840 | Echinaster Müller and Troschel |
| 1870 | Echinaster Verrill p. 343 |
| 1966 | Echinaster Spencer and Wright p. U70 |
| 2002 | Echinaster 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. Echinaster Müller and Troschel 1840
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†Echinaster jacobseni Rasmussen 1972
Invalid names: Rhopia Gray 1840 [objective synonym]
Diagnosis
No diagnoses are available