Dactylina, Genus – synonym of Pholas, Genus
Dactyloteredo, Genus – synonym of Psiloteredo, Genus
Dahlakia, Genus – synonym of Bittium, Genus
Damoniella, Genus – synonym of Roxania, Genus
Danax, Genus – synonym of Donax, Genus
Daphne, Genus – synonym of Arca, Genus
Daphnoderma, Genus – synonym of Arca, Genus
Dawsonia, Genus – synonym of Lepidochitona, Genus
Decipula, Genus – synonym of Montacuta, Genus
Deikea, Genus – synonym of Mactra, Genus
Deliciosalvania, Genus – synonym of Alvania, Genus
Delphinoidea, Genus – synonym of Skenea, Genus
Deperetia, Genus – synonym of Pecten, Genus
Deshayesella, Genus – synonym of Leptochiton, Genus
Desmoteuthis, Genus – synonym of Teuthowenia, Genus
Didonta, Genus – synonym of Hiatella, Genus
Dioeciostraea, Genus – synonym of Crassostrea, Genus
Dioeciostrea, Genus – synonym of Crassostrea, Genus
Diphyllida, Genus – synonym of Armina, Genus
Diphyllidia, Genus – synonym of Armina, Genus
Dischides, Genus – synonym of Cadulus, Genus
Discodoris, Genus – synonym of Geitodoris, Genus
Dispotaea, Genus – synonym of Crepidula, Genus
Divalinga, Genus – synonym of Lucinella, Genus
Doliella, Genus – synonym of Odostomia, Genus
Donaciarius, Genus – synonym of Donax, Genus
Donacilla, Genus – synonym of Tellina, Genus
Dorsaninae, Familia – synonym of Nassariidae, Familia
Dosinidia, Genus – synonym of Dosinia, Genus
Dota, Genus – synonym of Doto, Genus
Dotona, Genus – synonym of Doto, Genus
Dunga, Genus – synonym of Eubranchus, Genus
Duvaucelia, Genus – synonym of Tritonia, Genus
Dymares, Genus – synonym of Calliostoma, Genus