| Mactridae (trough shells) |
| 10 cm NG (male/unsexed) |
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benthic; marine |
| Western Atlantic and Eastern Pacific: Caribbean to southeast Brazil. |
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Shell thin, triangular, inflated, light. Posterior slope typically flattened and bound by characteristically elevated 'keel-like' ridge. Hinge with anterior lateral teeth short. Umbones prominent twisted inward. Periostracum thin, flaky when dry. Colour: white; periostracum yellowish (Ref. 271). |
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Not Evaluated (N.E.) Ref. 123251)
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