Comparative Study of the Functional Morphology of Anomalocardia Brasiliana (Gmelin, 1791) and Tivela Mactroides (Born, 1778) (Bivalvia, Veneridae)
Abstract:A comparative study of Anomalocardia brasiliana (Gmelin) and Tivela mactroides (Born), as well as a detailed study of the structure, adaptation, and functional morphology of these species was made.
A. brasiliana is distributed from the West Indies to Brazil, and, according to Carcelles, its range extends to the Magellanic Region. T. mactroides is found from the West Indies to Brazil, Santa Catarina State. A. brasiliana lives in soft muddy beaches in quiet waters, and T. mactroides in sand or muddy sand where there is some disturbance of the bottom deposits, so that the water contains a large amount of suspended material. Both species have some biological similarities.
They are eaten by the coastal population, and A. brasiliana is also found in the markets of the principal towns of the State of São Paulo.
The shell, mantle, and siphons are described in detail. Special attention was paid to the ctenidia, labial palps and stomach. A comparative study of these organs was made.
Document Type: Research Article
Publication date: 1972-09-01
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