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Arthraster cristatus

Asteroidea - Valvatida

Taxonomy
Arthraster cristatus was named by Spencer (1907). It is not extant. Its type specimen is Holotype BNHM E 20266.

Synonymy list
YearName and author
1907Arthraster cristatus Spencer pp. 93-94 figs. fig. 21b; pl. 29, fig. 10
1913Arthraster cristatus Spencer p. 140 figs. pl. 11, fig. 23-24; pl. 15, fig. 7
1993Arthraster cristatus Lewis p. 48

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
genusArthraster
speciescristatus

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
W. K. Spencer 1913Ridges of the radialia and superomarginalia cristate. Upper surface of the ridge of all arm-ossicles possessing lipped pits formely occupied by small spines.