Taxonomy summary
Only current list
Excluding species
Eukaryota
>
Metazoa
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Echinodermata
>
Echinoidea
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Arbacioida
>
Arbaciidae
Genus
Species
Arbacia
9
Arbaciella
1
Coelopleurus
3
Pygmaeocidaris
1
Tetrapygus
1
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