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Urasterellidae

Asteroidea - Platyasterida - Urasterellidae

Synonyms
Synonymy list
YearName and author
1914Urasterellidae Schuchert
1915Urasterellidae Schuchert pp. 163, 172
1918Urasterellidae Spencer pp. 127-135
1918Cnemidactinidae Spencer pp. 155-156
1957Urasterellidae Lehmann pp. 126-127
1965Cnemidactinidae Owen p. 564
1965Urasterellidae Owen p. 565
1966Cnemidactinidae Spencer and Wright p. U71
1966Urasterellidae Spencer and Wright p. U71
1989Cnemidactinidae Blake p. 213
1989Urasterellidae Blake p. 213
1993Cnemidactinidae Blake and Guensburg p. 111
1999Urasterellidae Jell and Theron p. 151
2005Urasterellinae Dean Shackleton p. 97
2007Urasterellidae Blake and Rozhnov p. 523

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

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
J. Dean Shackleton 2005Loss of aboral ambulacral ridge; ambulacral cross-section rectangular (flat aboral ambulacral profile); loss of adambulacral spines; loss of inferomarginals aboral with respect to adambulacrals.