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Image of Keeled Heart Urchin
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Heart Urchins

Spatangoida L. Agassiz 1840

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Spatangoida (Heart Urchins) is an order of echinoderms. There are 869 species of Heart Urchins, in 156 genera and 25 families. It includes groups like Somaliasteridae, Palaeostomatidae, and Toxasteridae. Dead Heart Urchins form shallow marine sediments. They are bioturbators. 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 11 attributes, including:

Known occurrences, collected specimens and observations of Heart Urchins. View this species on GBIF