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Valettaster argus

Asteroidea - Valvatida - Sphaerasteridae

Taxonomy
Stauranderaster argus was named by Spencer (1907). It is not extant. Its type specimen is Holotype BNHM E 5019, Paratypes BNHM E 2566, BNHM E 20294.

It was recombined as Tholaster argus by Spencer (1913) and Umbgrove (1925); it was recombined as Valettaster argus by Valette (1915), Mercier (1935), Mercier (1936), Breton (1985), Breton (1986), Néraudeau and Breton (1993) and Lewis (1993).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1907Stauranderaster argus Spencer pp. 99-100 figs. pl. 25, fig. 6; pl. 29, fig. 8-9
1913Tholaster argus Spencer pp. 137-138 figs. pl. 13, fig. 22-23
1915Valettaster argus Valette pp. 59-61 figs. fig. 20
1925Tholaster argus Umbgrove p. 211 figs. fig. 29-30
1935Valettaster argus Mercier pp. 39-40 figs. pl. 2, fig. 9a-e
1936Valettaster argus Mercier p. 25
1985Valettaster argus Breton pp. 93-99 figs. fig. 7
1986Valettaster argus Breton p. 29
1993Valettaster argus Lewis p. 67
1993Valettaster argus Néraudeau and Breton p. 117

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familySphaerasteridae
genusValettaster
speciesargus()

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
G. Breton 1985Ossicles with a dome-shaped upper side, without radial structures as in V. ocellatus. Adambulacrals with 4 rows of spine bases parallel to the furrow. The adradial row is the more conspicuous and bears 5 stout tubercles for the articulation of spines.