General Description
The shells of this species are light, fragile and brittle. They are usually white to cream in colour, some with pink near the rounded apex (umbo). Sculpture of over 50 fine radial ribs. Shell up to 6 cm across.
Biology
This species may be found in large numbers on the sea floor. Like other Australian cockles, this species is not commercially harvested for food, although one northern species was an important element in the food sources of indigenous communities. They are filter feeders.
Distribution
Most states of Australia.
Habitat
In sand and mud, to depth of 30 m.
More Information
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            Animal Type
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            Animal SubType
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            Brief IdCream-white shell, over 50 wide radial ridges. 
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            ColoursWhite 
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            Habitats
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            DietPlankton or Particles 
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            Endemicity
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            CommercialNo 
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            Conservation StatusesCITES: Not listed, FFG Threatened List: Not listed, DSE Advisory List: Not listed, IUCN Red List: Not listed 
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            DepthsDeep ( > 30 m) 
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            Water Column LocationsOn or near seafloor 
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                Taxon Name
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                Scientific Author(Lamarck, 1819) 
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                Common NameThin-ribbed Cockle 
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                Other NamesCommon Southern Cockle , Narrowly Ribbed Heart Cockle , Rackett's Strawberry Cockle 
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                Species Nametenuicostata 
 
             
                         
                         
                        