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Argoviaster

Asteroidea - Neomorphasteridae

Taxonomy
Argoviaster was named by Hess (1972) [Sepkoski's age data: J Bajo-u]. It is not extant. Its type is Argoviaster occultus.

It was assigned to Neomorphasterinae by Hess (1972); and to Forcipulatida by Sepkoski (2002).

Synonymy list
YearName and author
1972Argoviaster Hess p. 27
2002Argoviaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
classAsteroidea
RankNameAuthor
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
Tripedicellaria
Forcipulatida()
familyNeomorphasteridae()
genusArgoviaster

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
H Hess 1972Disk relatively small. Arms sub-cylindrical. Ambulacral plates numerous, apressed. Ambulacral pores quadriserial. Adambulacral with three short spines. Plates of the arms arranged in longitudinal and transverse rows, with small papular field at each corner. Actinolateral plates and well-differentiated marginals frequently with conical spines. Dorsal plates with reduced ornament of granules, and occasionally a central cavity. Primary pates of the disk not differentiated.