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Bernard DUPONT   cc-by-sa-2.0

Merisiilit is a group of echinoderms. There are 4139 species of Merisiilit, in 864 genera and 144 family. This group has been around since the Middle Ordovician Epoch. Echinoidea (sea urchins) have sexual reproduction. Reproduction is dioecious.

  • 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:

Known occurrences, collected specimens and observations of sea urchins

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.

Bernard DUPONT   cc-by-sa-2.0

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.