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Helicoidea is a superfamily of Gastropoda. There are 2727 species of Helicoidea, in 481 genera and 17 families. This superfamily has been around since the thanetian age. It includes groups like Helicodontidae, Trichodiscinidae, and Geomitridae. Dead Helicoidea form shallow marine sediments. 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 21 attributes, including:

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