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Cottreauaster lamarei

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Spenceraster lamarei was named by Cottreau (1929). It is not extant. Its type specimen is Muséum National d'Histoire Naturelle, lectotype MHNH R 63 998. Its type locality is Echinodermata, Upper Bathonian, Alençon, Orne, France, which is in a Bathonian lagoonal/restricted shallow subtidal limestone in France. It is the type species of Cottreauaster. It was considered monophyletic by Breton (1992).

It was recombined as Cottreausaster lamarei by Wright (1951); it was recombined as Cottreauaster lamarei by Spencer and Wright (1966) and Breton (1992).

Synonymy list
YearName and author
1929Spenceraster lamarei Cottreau p. 464 figs. 2, pl. 36 fig. 1-2
1935Spenceraster lamarei Mercier pp. 22-23
1951Cottreausaster lamarei Wright p. 282
1966Cottreauaster lamarei Spencer and Wright p. U61 fig. 56.3
1992Cottreauaster lamarei Breton pp. 198-200 figs. 85-86 pl. 20 fig. 1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyGoniasteridae
genusCottreauaster
specieslamarei()

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.

Cottreauaster lamarei Cottreau 1929
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Diagnosis
ReferenceDiagnosis
G. Breton 1992Disk small, pentagonal. Long and slender arms with parallel sides. Interbrachial arc rounded. Marginals numerous, at least 18 per arm side. Marginal plates small, high, covered by dense granules. Each superomarginal with a surface for articulation of a short, blunt spine. Abactinal plates small, coarsely rounded. Madreporite large and oval.