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Acanthasteridae
Taxonomy
Acanthasteridae was named by Sladen (1889). It is extant. It was considered monophyletic by Mah and Blake (2012).
It was assigned to Leptognathina by Spencer and Wright (1966); to Tripedicellaria by Gale (2011); and to Valvatida by Blake (1979), Blake (1989) and Mah and Blake (2012).
It was assigned to Leptognathina by Spencer and Wright (1966); to Tripedicellaria by Gale (2011); and to Valvatida by Blake (1979), Blake (1989) and Mah and Blake (2012).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Acanthasteridae Sladen |
| 1966 | Acanthasteridae Spencer and Wright p. U70 |
| 1979 | Acanthasteridae Blake |
| 1989 | Acanthasteridae Blake p. 213 |
| 2011 | Acanthasteridae Gale p. 60 |
| 2012 | Acanthasteridae Mah and Blake p. 3 |
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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.
Diagnosis
No diagnoses are available