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2010 Moorea Biocode   cc-by-nc-sa-3.0

Echinozoa is a subphylum of echinoderms. There are 5867 species of Echinozoa, in 1100 genera and 172 families. This subphylum has been around since the middle ordovician epoch. It includes groups like Sea Urchins and Sea Cucumbers.

EOL has data for 9 attributes, including: