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Tesselaster

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Tesselaster was named by Clark (1941) [Sepkoski's age data: T Eo-u R]. It is extant.

It was assigned to Goniasteridae by Clark (1941) and Clark and Downey (1992); and to Valvatida by Sepkoski (2002).

Synonymy list
YearName and author
1941Tesselaster Clark
1992Tesselaster Clark and Downey p. 206
2002Tesselaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyGoniasteridae
genusTesselaster

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
A. M. Clark and M.E. Downey 1992A genus of Goniasteridae with stellate form, long, narrow arms, abactinal plates polygonal, covered with granules; superomarginal plates mostly bare, with sunken patches containing granules; adambulacral furrow margin strongly angular, granulation spaced.