Myacea

plural noun

My·​a·​cea

mīˈāshēə

: a suborder of Eulamellibranchia that comprises bivalve mollusks with well-developed siphons, gaping valves, and a pallial sinus and includes various economically important edible mollusks (as of the genus Mya) see myacidae

Word History

Etymology

New Latin, from Mya + -acea

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