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Image of three-spine cavoline
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Three Spine Cavoline

Diacria trispinosa (Blainville 1821)

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Diacria trispinosa (Three Spine Cavoline) is a species of snails in the family Cavoliniidae. This species is extinct. They are native to New Zealand Exclusive Economic Zone. Dead Three Spine Cavoline form deep marine sediments. They are carnivores. Individuals could grow to 5 mm. They have sexual reproduction. They rely on swimming to move around.

  • URI: http://eol.org/schema/terms/extinct
  • Definition: A taxon is Extinct when there is no reasonable doubt that the last individual has died. A \r\ntaxon is presumed Extinct when exhaustive surveys in known and/or expected habitat, \r\nat appropriate times (diurnal, seasonal, annual), throughout its historic range have failed \r\nto record an individual. Surveys should be over a time frame appropriate to the taxon’s life cycle and life form.
  • Attribution: http://www.iucnredlist.org/technical-documents/categories-and-criteria
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  • URI: http://purl.obolibrary.org/obo/ENVO_00002113
  • Definition: sediment that accumulates in the flat or very gently sloping areas of the deep ocean basin floor. The three main types are siliceous oozes, calcareous oozes, and red clays.
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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 31 attributes, including:

Known occurrences, collected specimens and observations of three-spine cavoline. View this species on GBIF