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Eokainaster

Asteroidea - Paxillosida - Astropectinidae

Taxonomy
Eokainaster was named by Blake (1981) [Sepkoski's age data: J Oxfo Sepkoski's reference number: 338]. It is not extant. Its type is Astropecten pewei.

It was assigned to Astropectinidae by Blake (1981); and to Paxillosida by Sepkoski (2002).

Synonymy list
YearName and author
1981Eokainaster Blake p. 42
2002Eokainaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderPaxillosida
familyAstropectinidae
genusEokainaster

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 1981Astropectinid with small disc; five triangular, pointed arms; abactinals paxilliform, stout, marginals stout, fascioles angular, deep; two pair of marginals in each interbrachium; spines absent on superomarginals; inferomarginals little wider than superomarginals, bearing spines; actinal intermediates restricted to disc, apparently few in number; ambulacral - adambulacral articulation structures symmetrical.