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Morphology Ecology and taphonomy   Age range and collections

Protothyraster

Asteroidea -

Taxonomy
Protothyraster was named by Hess (1970) [Sepkoski's age data: K Haut-u]. It is not extant. Its type is Rhopia prisca.

It was assigned to Echinasteridae by Hess (1970); to Asteroidea by Sepkoski (2002); and to Forcipulatida by Gale (2011).

Synonymy list
YearName and author
1970Protothyraster Hess
2002Protothyraster Sepkoski, Jr.
2011Protothyraster Gale p. 60

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

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
No diagnoses are available