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Plesiosolaster

Asteroidea - Plesiosolasteridae

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).

Synonyms
Synonymy list
YearName and author
1972Plesiosolaster Hess p. 14
1993Brachisolaster Blake p. 147
2002Brachisolaster Sepkoski, Jr.
2011Plesiosolaster Gale p. 62

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
Spinulosida()
suborderEugnathina
familyPlesiosolasteridae
genusPlesiosolaster

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
ReferenceDiagnosis
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.