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Hadranderaster simplex

Asteroidea - Valvatida - Stauranderasteridae

Taxonomy
Oreaster simplex was named by Geinitz (1871). It is not extant. Its type specimen is Probably at the Museum of Dresden.

It was recombined as Hadranderaster simplex by Lehner (1937), Spencer and Wright (1966), Villier et al. (2004) and Breton and Néraudeau (2008).

Synonyms
Synonymy list
YearName and author
1871Oreaster perforatus Geinitz p. 90 figs. pl. 21, fig. 21-22; pl. 23, fig. 7
1871Oreaster simplex Geinitz p. 90 figs. pl. 21, fig. 15-20
1876Oreaster simplex Quenstedt p. 100 figs. pl. 94, fig. 7
1905Pentaceros abbreviatus Spencer pp. 86-87 figs. pl. 24, fig. 1
1907Hadranderaster abbreviatus Spencer pp. 114, 118 figs. fig. 6, 22
1937Hadranderaster simplex Lehner p. 172 figs. fig. 2
1966Hadranderaster simplex Spencer and Wright p. U55 figs. fig. 51.4
1993Hadranderaster abbreviatus Lewis p. 54
2004Hadranderaster simplex Villier et al. p. 39
2008Hadranderaster simplex Breton and Néraudeau pp. 3223-325 figs. figs. 2.1, 2.3a-c, 4.1

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyStauranderasteridae
genusHadranderaster
speciessimplex()

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.

Diagnosis
ReferenceDiagnosis
W. K. Spencer 1905 (Pentaceros abbreviatus)Body of medium size. Arms moderately produced, but their breath making them appear stumpy, rounded at the extremities, and hemispherical in cross section. Five series of dorsal ossicles enter their base. Of these the radialia and adradialia persist throughout the length of the arm. A few small intermarginal are present.