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Psephoaster
Taxonomy
Psephoaster was named by McNamara (1987) [Sepkoski's age data: T Eo-u T Mi-l]. Its type is Psephoaster klydonos.
It was assigned to Hemiasteridae by McNamara (1987); and to Spatangoida by Sepkoski (2002).
It was assigned to Hemiasteridae by McNamara (1987); and to Spatangoida by Sepkoski (2002).
Species
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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. †Psephoaster McNamara 1987
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†Psephoaster apokryphos McNamara 1987
†Psephoaster klydonos McNamara 1987
†Psephoaster lissos McNamara 1987
Diagnosis
No diagnoses are available