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Ambigaster

Asteroidea - Neopalaeasteridae

Synonymy list
YearName and author
2003Ambigaster Blake and Elliott p. 483

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
familyNeopalaeasteridae
genusAmbigaster

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 and D. R. Elliott 2003Primary circlet ossicles moderately enlarged relative to adjacent ossicles; interradials similar to, smaller than radials; "extraneous" or "x" ossicles developed. Carinals in single series, ossicles not abutted; no lateral series. Marginals in single series, ossicle robust, equidimensional; marginals, adambulacrals together forming rounded arm margin.