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Xandarosaster

Asteroidea -

Taxonomy
Xandarosaster was named by Blake (1984) [Sepkoski's age data: J Bajo]. It is not extant. Its type is Xandarosaster hessi.

It was assigned to Paleobenthopectininae by Blake (1984); to Paxillosida by Sepkoski (2002); and to Velatida by Villier et al. (2009).

Synonymy list
YearName and author
1984Xandarosaster Blake p. 638
2002Xandarosaster Sepkoski, Jr.
2009Xandarosaster Villier et al. p. 396

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
Spinulosida()
Velatida()
genusXandarosaster

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 1984Benthopectinid with low, conical abactinals bearing medial spine base, prominent articular digitation; flattened, rectangular marginals with single medial spine base; low ambulacrals with very long triangular ambulacral body, lacking enlarged ambulacral/adambulacral articular surface; podial pore large; adambulacrals elongate, rectangular, with large spine.