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Morphology Ecology and taphonomy   Age range and collections

Sphaeriodiscus

Asteroidea - Valvatida - Goniasteridae

Taxonomy
Sphaeriodiscus was named by Fisher (1910) [Sepkoski's age data: K Camp R]. It is extant.

It was assigned to Goniasteridae by Fisher (1910); to Goniasterinae by Spencer and Wright (1966); and to Valvatida by Sepkoski (2002).

Synonymy list
YearName and author
1910Sphaeriodiscus Fisher
1966Sphaeriodiscus Spencer and Wright p. U57
2002Sphaeriodiscus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Life
Ambulacraria
phylumEchinodermata
subphylumAsterozoa
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyGoniasteridae
subfamilyGoniasterinae
genusSphaeriodiscus

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