Patrick Randall   cc-by-nc-sa

Valvatacea is a superorder of echinoderms. There are 1627 species of Valvatacea, in 319 genera and 25 families. They have sexual reproduction.

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  • 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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