Adams, 1845 Macoma tenta x Say, 1834 Merisca x aequistriata (Say, 1824) Merisca x martinicensis (d'Orbigny, 1853) Psammotreta x intastriata (Say, 1826) Scissula candeana x x x (d'Orbigny, 1853) * Scissula
sandix x (Boss, 1968) Scissula similis x x Sowerby, 1806 Tellina radiata x Linnaeus, 1758 Tellinella x listeri (Roding, 1798) Ungulinidae Diplodonta x notata (Dall y Simpson, 1901) Diplodonta x nucleiformis (Wagner, 1840) Diplodonta x x punctata (Say, 1822) Phlyctiderma x semiaspera (Philippi, 1836) Veneridae Anomalocardia x cuneimeris (Conrad, 1840) Chione cancellata x x x (Linnaeus, 1767) * Chionopsis x intapurpurea (Conrad, 1840) Dosinia concentrica x (Born, 1778) Globivenus rigida x (Dillwyn, 1817) Gouldia cerina x (C.B.