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2010 Moorea Biocode   cc-by-nc-sa-3.0

Echinozoa is a subphylum of echinoderms. There are 5262 species of Echinozoa, in 987 genera and 171 families. This subphylum has been around since the middle ordovician epoch. It includes groups like Sea Urchins and Sea Cucumbers.

EOL has data for 10 attributes, including: