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Isomicraster
Taxonomy
Isomicraster is a genus. It is not extant.
It was assigned to Spatangidae by Djabarov (1964); to Toxasteridae by Fischer (1966); and to Spatangoida by Sepkoski (2002).
It was assigned to Spatangidae by Djabarov (1964); 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. †Isomicraster
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†Isomicraster danei Cooke 1953
†Isomicraster gibbus Lamarck 1816
†Isomicraster rossi Cooke 1953
Diagnosis
No diagnoses are available