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Coulonia platyspina

Asteroidea - Paxillosida - Astropectinidae

Taxonomy
Coulonia platyspina was named by Hess and Blake (1995). It is not extant. Its type specimen is Natural History Museum Basel, M 9925.. Its type locality is Tillelt beach, which is in a Barremian offshore sandstone/marl in Morocco.

Synonyms
Synonymy list
YearName and author
1995Coulonia platyspina Hess and Blake pp. 785-786 figs. figs 1-6
2007Coulonia platispina Villier et al. p. 422
2011Betelgeusia orientalis Blake and Reboul p. 1029 figs. Figs 3, 4
2020Coulonia platyspina Ewin and Gale p. 934 figs. Figs 3, 4.2, 5.1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderPaxillosida
familyAstropectinidae
genusCoulonia
speciesplatyspina

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.

Coulonia platyspina Hess and Blake 1995
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Invalid names: Betelgeusia orientalis Blake and Reboul 2011 [synonym]
Diagnosis
ReferenceDiagnosis
D. B. Blake and R. Reboul 2011 (Betelgeusia orientalis)Betelgeusiid with transverse profile of superomarginals rounded; actinal accessory spines comparatively small.
T.A.M. Ewin and A.S. Gale 2020Coulonia with very broad actinal interradial areas, gently curved interradial arcs, and relatively short, rapidly tapering arms. Inferomarginals short and very broad, and superomarginals with elongated abactinal surfaces.