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Pterasteridae

Asteroidea

Taxonomy
Pterasteridae was named by Perrier (1875). It is extant. It was considered monophyletic by Gale (1987) and Gale (2018).

It was reranked as the unranked clade Pterasteridae by Gale (2018).

It was assigned to Eugnathina by Spencer and Wright (1966); to Valvatida by Gale (1987); to Spinulosida by Gale (2011); to Velatida by Gale (2011) and Gale (2018); and to Velatida by Perrier (1894), Blake (1989), Mah and Blake (2012), Gale (2022) and Gale (2023).

Synonymy list
YearName and author
1875Pterasteridae Perrier pp. 17, 38
1894Pterasteridae Perrier p. 180
1966Pterasteridae Spencer and Wright p. U68
1987Pterasteridae Gale p. 125
1989Pterasteridae Blake p. 213
2011Pterasteridae Gale p. 82
2012Pterasteridae Mah and Blake p. 3
2018Pterasteridae Gale p. 299
2022Pterasteridae Gale p. 6
2023Pterasteridae Gale p. 109

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
—Spinulosida()
—Chevronida
—Velatida()
—Pterasteridae()
—Pterasteridae()

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.

Unr. Pterasteridae Perrier 1875
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G. †Hansaster Gale 2018
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G. †Longwyaster Gale 2018
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†Longwyaster delsatei Gale 2018
G. †Propteraster Gale 2018
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G. Pteraster Müller and Troschel 1842
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†Pteraster angulatus Gale 2022
†Pteraster balticus Gale 2022
†Pteraster cretachiton Gale 2022
†Pteraster kutscheri Gale 2022
†Pteraster lyddenensis Gale 2023
†Pteraster nudus Gale 2022
†Pteraster paucispinus Gale 2022
†Pteraster turoniense Gale 2022
G. †Savignaster Gale 2011
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†Savignaster septemtrionalis Rousseau et al. 2018
†Savignaster wardi Gale 2011
Diagnosis
ReferenceDiagnosis
A.S. Gale 2018Velatida in which the primary radial ossicles carry a vase-shaped pedicel. Muscles are present between abactinals and abactinal-chevron ossicle contacts.