Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Calliderma

Asteroidea - Valvatida - Goniasteridae

Synonymy list
YearName and author
1847Calliderma Gray
1966Calliderma Spencer and Wright p. U59
1992Calliderma Breton p. 293
2002Calliderma Sepkoski, Jr.
2008Calliderma Breton and Néraudeau p. 334
2009Calliderma Blake and Ettensohn p. 568

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

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 1992Arms short, with a wide base and poorly differentiated from the disc. Interbrachial arc regularly rounded. Marginal plates short, with a maximum width at the interradius. Granule-pits fine, hexagonal, irregular in size and depth. Pedicellariae-pits rounded, oval, or winged-oval.