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Plesiosolaster
Taxonomy
Plesiosolaster was named by Hess (1972). It is not extant.
It was assigned to Plesiosolasteridae by Hess (1972); and to Solasteridae by Gale (2011).
It was assigned to Plesiosolasteridae by Hess (1972); and to Solasteridae by Gale (2011).
Species
Synonyms
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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. †Plesiosolaster Hess 1972
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†Plesiosolaster moretonis Forbes 1856
Invalid names: Brachisolaster Blake 1993 [objective synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake 1993 (Brachisolaster) | Solasteroid with apparently 33 arms and relatively narrow adambulacral ossicles; the dorsal skeleton is reticulated and ossicles are stout; spines are large, forming clusters at arm tips. Spines have bulbous bases and long, tapering shafts. |