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Chaetasterina gracilis

Asteroidea - Valvatida - Asterinidae

Taxonomy
Chaetasterina gracilis was named by Hess (1970). It is not extant. Its type specimen is Naturhistorisches Museum Basel, Hess collection, Holotype A94. Its type locality is Pierre-Jaune, Hauterivian, St. Blaise, which is in a Hauterivian shallow subtidal grainstone/marl in the Pierre jaune Formation of Switzerland. It is the type species of Chaetasterina. It was considered monophyletic by Hess (1970).

Synonymy list
YearName and author
1970Chaetasterina gracilis Hess pp. 1082-1086 figs. 9-14, pl. 3, 4.5
2020Chaetasterina gracilis Gale p. 5 figs. 2c-i

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyAsterinidae
genusChaetasterina
speciesgracilis

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.

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Diagnosis
ReferenceDiagnosis
H Hess 1970As for the genus by monotypy.