Cypricardites Conrad, 1841 † (original description)
Cypricardites angustifrons Conrad, 1841 † (original description)
Cypricardites curta Conrad, 1841 † (original description)
Cypricardites mytiloides Conrad, 1841 † accepted as Modiomorpha mytiloides (Conrad, 1841) † (original description)
Cypricardites nasuta Conrad, 1841 † (original description)
Cypricardites oblonga Conrad, 1841 † (original description)
Cypricardites ovata Conrad, 1841 † (original description)
Cypricardites radiata Conrad, 1841 † (original description)
Cypricardites subalata Conrad, 1841 † accepted as Modiomorpha subalata (Conrad, 1841) † (original description)
Lyrodesma Conrad, 1841 † (original description)
Lyrodesma plana Conrad, 1841 † (original description)
Nuculites Conrad, 1841 † (original description)
Nuculites bellastriata Conrad, 1841 † (original description)
Nuculites cuneiformis Conrad, 1841 † (original description)
Nuculites emarginata Conrad, 1841 † accepted as Palaeoneilo emarginata (Conrad, 1841) † (original description)
Nuculites lamellosa Conrad, 1841 † (original description)
Nuculites maxima Conrad, 1841 † (original description)
Nuculites planulata Conrad, 1841 † (original description)
Nuculites rostellata Conrad, 1841 † accepted as Phestia rostellata (Conrad, 1841) † (original description)
Nuculites triqueter Conrad, 1841 † (original description)
Orthonota Conrad, 1841 † (original description)
Orthonota undulata Conrad, 1841 † (original description)
Posidonia alveata Conrad, 1841 † accepted as Grammysioidea alveata (Conrad, 1841) † (original description)
Posidonia arcuata Conrad, 1841 † accepted as Grammysioidea arcuata (Conrad, 1841) † (original description)