ما معنىacephala؟ معنى acephala هو acéphales
ما معنىacéphales؟
- 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.