Synonyms: Amygdalum frixum; Arca amygdalum (heterotypic); Arca amygdalumtostum; Arca bicolorata; Arca cruciata; Arca fusca (heterotypic); Barbatia fusca; Barbatia rodatzi; Byssoarca fusca; Ustularca cruciata; Ustularca cruciata renuta; Ustularca renuta