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Polydesmaster

Echinoidea - Spatangoida - Toxasteridae

Taxonomy
Polydesmaster was named by Lambert (1920) [Sepkoski's age data: K Ceno].

It was assigned to Toxasteridae by Fischer (1966); and to Spatangoida by Sepkoski (2002).

Synonymy list
YearName and author
1920Polydesmaster Lambert
1966Polydesmaster Fischer p. U555
2002Polydesmaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
familyToxasteridae
genusPolydesmaster

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