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Tonna allium (Costate Tun) is a species of Gastropoda in the family Tun Shell Snails. This species is extinct. They were found in marine habitat. They were native to Mozambican Exclusive Economic Zone and Natal. Dead Costate Tun form shallow marine sediments. They were carnivores. Individuals could grow to 80 mm. They had sexual reproduction.

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  • URI: http://purl.obolibrary.org/obo/ENVO_00000447
  • Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.
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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 23 attributes, including:

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