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Lepidaster

Asteroidea - Lepidasteridae

Taxonomy
Lepidaster was named by Forbes (1850) [Sepkoski's age data: S Wenl-u]. Its type is Lepidaster grayi. It is the type genus of Lepidasteridae.

It was assigned to Lepidactinidae by Spencer (1918); to Pustulosida by Sepkoski (2002); and to Lepidasteridae by Schuchert (1915), Owen (1965), Spencer and Wright (1966) and Herringshaw et al. (2007).

Synonymy list
YearName and author
1850Lepidaster Forbes p. 1
1915Lepidaster Schuchert pp. 158-159
1918Lepidaster Spencer p. 116
1965Lepidaster Owen p. 564
1966Lepidaster Spencer and Wright p. U43
2002Lepidaster Sepkoski, Jr.
2007Lepidaster Herringshaw et al. pp. 1218-1219

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
familyLepidasteridae
genusLepidaster

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
L. G. Herringshaw et al. 2007Multi-rayed lepidasterids with large central disc. Very large oval madreporite in oral interradius, ornamented with radial striae. Inferomarginals form fanshaped array of triangulate to dentiform ossicles in oral interradii. Mouth angle plates and circumorals separated from marginal frame by numerous small actinals.