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Hystrixasterias hettangiurnus

Asteroidea - Asteriidae

Taxonomy
Hystrixasterias hettangiurnus was named by Blake (1990). It is not extant. Its type specimen is Naturhistorisches Museum Basel, Abteilung Geologie, Holotype M9682. Its type locality is Asteroidea, Göppingen, Angulata zone, which is in a Hettangian marine siltstone in Germany. It is the type species of Hystrixasterias.

Synonymy list
YearName and author
1990Hystrixasterias hettangiurnus Blake pp. 121-122 figs. 3-4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
—Tripedicellaria
—Forcipulatida()
familyAsteriidae
genusHystrixasterias
specieshettangiurnus

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
D. B. Blake 1990Same as for the genus, by monotypy.