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Archaster
Taxonomy
Archaster was named by Müller and Troschel (1840) [Sepkoski's age data: T Mi R Sepkoski's reference number: 1066]. It is extant.
It was assigned to Valvatida by Sepkoski (2002); and to Archasteridae by Viguier (1878), Spencer and Wright (1966) and Gale (2011).
It was assigned to Valvatida by Sepkoski (2002); and to Archasteridae by Viguier (1878), Spencer and Wright (1966) and Gale (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Archaster Müller and Troschel |
| 1878 | Archaster Viguier |
| 1966 | Archaster Spencer and Wright p. U56 |
| 2002 | Archaster Sepkoski |
| 2011 | Archaster Gale p. 59 |
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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. Archaster Müller and Troschel 1840
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Diagnosis
No diagnoses are available