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Polydesmaster
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).
It was assigned to Toxasteridae by Fischer (1966); and to Spatangoida by Sepkoski (2002).
Synonymy list
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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.
G. †Polydesmaster Lambert 1920
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Diagnosis
No diagnoses are available