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Morphology Ecology and taphonomy   Age range and collections

Stuertzaster

Stenuroidea -

Synonymy list
YearName and author
1899Sturtzaster Etheridge p. 128
1915Sturtzaster Schuchert pp. 252-253
1940Sturtzaster Spencer pp. 513-517
1951Stuertzaster Spencer p. 111
1965Sturtzaster Owen p. 547
1966Stuertzaster Spencer and Wright p. U80
2001Stuertzaster Boczarowski p. 8
2002Stuertzaster Sepkoski, Jr.
2005Stuertzaster Dean Shackleton p. 74
2013Stuertzaster Blake p. 367

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classStenuroidea()
genusStuertzaster()

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
A. Boczarowski 2001Aboral side of central disc is highly swollen, encrusted by network with radiate spicules. Arms short and wide, ambulacrals with thin, big groove. Laterals with wide, strong juncture. Very long, thin spines consist of three blades.
J. Dean Shackleton 2005Loss of inferomarginals; loss of inferomarginal spines; loss of buccal slits.