<marine biology> A division of bivalve mollusks of which the common clam (Mya) is the type. ... (19 Mar 1998) ... Found on http://www.encyclo.co.uk/local/20973
My·a'ri·a noun plural [ New Latin ] (Zoology) A division of bivalve mollusks of which the common clam ( Mya ) is the type. Found on http://www.encyclo.co.uk/webster/M/122