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Image of Aspidodiadema A. Agassiz 1879
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Sea Urchins

Echinoidea Leske 1778

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Echinoidea (Sea Urchins) is a class of echinoderms. There are 3412 species of Sea Urchins, in 728 genera and 139 families. This class has been around since the middle ordovician epoch. Dead Sea Urchins form shallow marine sediments. They are omnivores. They have sexual reproduction.

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  • URI: http://purl.obolibrary.org/obo/GO_0019953
  • Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.
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EOL has data for 25 attributes, including:

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Sea Urchin Habitats

The environments in which many sea urchins species are known to live. Select an environment to see its sea urchins species checklist.

sea urchins Habitats

The environments in which many sea urchins species are known to live. Select an environment to see its sea urchins species checklist.