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The Collaborative International Dictionary
Solenacean

Solenacean \Sol`e*na"cean\, n. (Zo["o]l). Any species of marine bivalve shells belonging to the family Solenid[ae].

Wiktionary
solenacean

n. (context zoology English) Any member of several species of marine bivalve shells belonging to the family ''(taxlink Solenidae family noshow=1)''.