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Stibaraster ratcliffei

Asteroidea - Platyasterida - Urasterellidae

Taxonomy
Stibaraster ratcliffei was named by Blake and Guensburg (1993). It is not extant. Its type specimen is University of Utah, holotype UUIP1319. Its type locality is north face of Fossil Mountain, section K-North of Hintze, millard county, which is in a Llanvirn marine limestone in the Lehman Formation of Utah. It is the type species of Stibaraster.

Synonymy list
YearName and author
1993Stibaraster ratcliffei Blake and Guensburg p. 111
2005Stibaraster ratcliffei Dean Shackleton p. 94

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
RankNameAuthor
classAsteroidea
orderPlatyasterida
suborderUractinina()
familyUrasterellidae
genusStibaraster
speciesratcliffei

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 T. E. Guensburg 1993Same as for the genus, by monotypy
J. Dean Shackleton 2005As for genus, by monotypy