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Acephala is a 8 letter word which starts with the letter A and ends with the letter A for which we found 1 definitions.

(n. pl.) That division of the Mollusca which includes the bivalve shells like the clams and oysters; -- so called because they have no evident head. Formerly the group included the Tunicata Brachiopoda and sometimes the Bryozoa. See Mollusca.
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