- dactylomela Rang, 1828 = Aplysia dactylomela (family Aplysiidae – Aplysiinae)

- dannevigi Hedley, 1911 = Tubercliopsis dannevigi (family Cerithiopsidae – Cerithiopsinae)

- dealbata A. Adams, 1853 = Nassarius pyrrhus (family Nassariidae – Nassariinae)

- debenhami Iredale, 1932 = Bankia australis (family Teredinidae – Bankiinae)

- debilis Pease, 1871 = Dendrodoris nigra (family Dendrodorididae)

- decipiens Hanley, 1845 = Placamen placidum (family Veneridae – Chioninae)

- declivis A. Adams & Reeve, 1848 = Gazameda declivis (family Turritellidae – Turritellinae)

- declivis Reeve, 1844 = Mitra glabra (family Mitridae – Mitrinae)

- declivis Sowerby, 1870 = Notocypraea declivis (family Cypraeidae – Pustulariinae)

- decoramen Iredale, 1936 = Colpospira decoramen (family Turritellidae – Turritellinae)

- decorosa May, 1915 non Hedley, 1902 = Pronucula mayi (family Nuculidae)

- decussata Lamarck, 1818 (non Wood, 1815) = Pseudarcopagia victoriae (family Tellinidae – Arcopagiinae)

- decussatus Gmelin, 1791 = Serpulorbis sipho (family Vermetidae – Vermetinae)

- delecta Cotton, 1945 = Sassia subdistorta (family Ranellidae – Cymatiinae)

- delecta Laseron, 1956 = Rissoina fasciata (family Rissoidae – Rissoininae)

- delicatula Crosse & Fischer, 1864 = Epitonium jukesianum (family Epitoniidae)

- delicatula Hutton, 1873 = Zygochlamys delicatula (family Pectinidae – Chlamydinae)

- delicatula Tenison Woods, 1877 = Phasianella australis (family Phasianellidae – Phasianellinae)

- delicatulus Tenison Woods, 1878 = Guraleus delicatulus (family Conidae – Mangeliinae)

- delicatum Verco, 1908 = Cyclocardia delicatum (family Carditidae)

- deliciosa Iredale, 1955 = Cancellaria undulata (family Cancellariidae – Cancellariinae)

- delinificus Iredale, 1924 = Modiolus albicostatus (family Mytilidae)

- delta Laseron, 1950 = Anabathron luteofuscus (family Anabathridae)

- delta Tate & May, 1900 = Cuna delta (family Condylocardiidae – Cuninae)

- deltoidalis Lamarck, 1818 = Macomona deltoidalis (family Tellinidae – Tellininae)

- deltoides Lamarck, 1818 = Donax deltoides (family Donacidae)

- demessa Tate & May, 1900 = Onoba demessa (family Rissoidae – Rissoinae)

- demissa Hedley, 1904 = Puncturella kesteveni (family Fissurellidae – Emarginulinae)

- denda Cotton, 1945 = Semicassis pyrum (family Tonnidae – Phaliinae)

- dendritica Alder & Hancock, 1843 = Placida dendritica (family Limapontiidae)

- denseplicata Dunker, 1871 = Etrema denseplicata (family Conidae – Clathurellinae)

- densilaminata Verco, 1907 = Brookula crebresculpta (family Turbinidae – Skeneinae)

- densilineata Tate, 1899 = Austroliotia densilineata (family Liotiidae – Liotiinae)

- denticulata Pritchard & Gatliff, 1901 = Proterato lachryma (family Triviidae – Eratoinae)

- denticulata Quoy & Gaimard, 1833 = Siphonaria diemenensis (family Siphonariidae)

- denticulata Sowerby, 1844 = Epitonium jukesianum (family Epitoniidae)

- denticulata Tate, 1878 = Granulina elliottae (family Cystiscidae – Granulininae)

- dentiens May, 1911 = Dentimargo dentiens (family Marginellidae – Marginellinae)

- dentiferus Lamarck, 1818 = Serpulorbis sipho (family Vermetidae – Vermetinae)

- denudatus Perry, 1811 = Chicoreus denudatus (family Muricidae – Muricinae)

- deplexa Tate & May, 1900 = Odostomia deplexa (family Pyramidellidae – Odostomiinae)

- depressa Ponder & Yoo, 1978 = Eatoniella depressa (family Eatoniellidae)

- depressa Ponder, 1973 = Pseudoskenella depressa (family Pyramidellidae – Cyclostremellinae)

- dermestoidea Lamarck, 1822 = Pseudamycla dermestoidea (family Columbellidae – Atiliinae)

- desalesii Tenison Woods, 1877 = Asperdaphne desalesii (family Conidae – Rhaphitominae)

- descripta Iredale, 1936 = Anomia trigonopsis (family Anomiidae – Anomiinae)

- deshayesi d’Orbigny & Récluz, 1850 = Myllita deshayesi (family Galeommatidae)

- desmaresti Lesueur, 1817 = Firoloida desmaresti (family Pterotracheidae)

- devexus May, 1916 = Capulus devexus (family Capulidae)

- devotus Hedley, 1904 = Malluvium devotus (family Hipponicidae)

- diadema Chun, 1900 = Lycoteuthis lorigera (family Lycoteuthidae)

- diana A. Adams & Angas, 1863 = Dosinia diana (family Veneridae – Dosiniinae)

- diaphana May, 1919 = Nepotilla diaphana (family Conidae – Rhaphitominae)

- diaphana Verco, 1906 = Odostomia diaphana (family Pyramidellidae – Odostomiinae)

- diaphora Iredale & May, 1916 = Rhyssoplax diaphora (family Chitonidae – Chitoninae)

- diatheca Iredale, 1936 = Tasmatica schoutanica (family Naticidae – Naticinae)

- dictua Tenison Woods, 1878 = Mitrella leucostoma (family Columbellidae – Atiliinae)

- diemenensis Deshayes, 1854 = Macomona deltoidalis (family Tellinidae – Tellininae)

- diemenensis Hanley, 1844 = Callista diemenensis (family Veneridae – Pitariinae)

- diemenensis Philippi, 1848 = Scutellastra peronii (family Patellidae)

- diemenensis Quoy & Gaimard, 1833 = Austrolittorina unifasciata (family Littorinidae – Littorininae)

- diemenensis Quoy & Gaimard, 1833 = Siphonaria diemenensis (family Siphonariidae)

- diemenensis Quoy & Gaimard, 1834 = Zeacumantus diemenensis (family Batillariidae)

- diemenensis Quoy & Gaimard, 1835 = Irus griseus (family Veneridae – Tapetinae)

- diemenensis Quoy & Gaimard, 1835 = Paphies erycinaea (family Mesodesmatidae – Mesodesmatinae)

- difficilis Gabriel, 1956 = Pisinna frenchiensis (family Anabathridae)

- difficilis Gabriel, 1961 = Dentimargo allporti (family Marginellidae – Marginellinae)

- diffidens Iredale, 1925 = Colpospira australis (family Turritellidae – Turritellinae)

- digna A. Adams, 1855 = Mitra badia (family Mitridae – Mitrinae)

- dilatatus Reeve, 1847 = Penion mandarinus (family Buccinidae – Siphonaliinae)

- dilecta A. Adams, 1851 = Emarginula dilecta (family Fissurellidae – Emarginulinae)

- dilecta Hedley, 1903 = Tomopleura dilecta (family Conidae – Clathurellinae)

- diplostreptus May, 1916 = Gibberula diplostreptus (family Cystiscidae – Persiculinae)

- discrepans Tate & May, 1900 = Pusillina discrepans (family Rissoidae – Rissoinae)

- disjecta Perry, 1811 = Circomphalus disjecta (family Veneridae – Chioninae)

- disjuncta Verco, 1909 = Isotriphora disjuncta (family Triphoridae – Triphorinae)

- disrupta Sowerby, 1853 = Callista disrupta (family Veneridae – Pitariinae)

- dissecta Iredale, 1931 = Notocypraea piperita (family Cypraeidae – Pustulariinae)

- dissimilis Watson, 1886 = Epigrus dissimilis (family Epigridae)

- distans Lamarck, 1818 = Irus carditoides (family Veneridae – Tapetinae)

- divaricata Deshayes, 1853 = Petricola divergens (family Petricolidae)

- divergens Gmelin, 1791 = Petricola divergens (family Petricolidae)

- divergens Reeve, 1847 = Ischnochiton fruticosus (family Ischnochitonidae – Ischnochitoninae)

- dohrni Hanley, 1861 = Nuculana dohrni (family Nuculanidae – Nuculaninae)

- dominicana Tenison Woods, 1877 = Clanculus plebejus (family Trochidae – Trochinae)

- donaciformis Angas, 1878 = Mysella donaciformis (family Galeommatidae)

- donacioides Reeve, 1857 = Soletellina alba (family Psammobiidae)

- dorsalis Allan, 1933 = Pleurobranchaea maculata (family Pleurobranchidae – Pleurobranchaeinae)

- dromanaensis Gatliff & Gabriel, 1912 = Mysella dromanaensis (family Galeommatidae)

- drusilla Bergh, 1900 = Aeolidiella drusilla (family Aeolidiidae)

- dubia Bergh, 1904 = Paradoris dubia (family Discodorididae)

- dubia Tenison Woods, 1878 = Thalotia conica (family Trochidae – Trochinae)

- dubitabilis Tate, 1899 = Pisinna dubitabilis (family Anabathridae)

- dubius Petterd, 1884 = Pisinna dubitabilis (family Anabathridae)

- dulcis Sowerby, 1896 = Filodrillia dulcis (family Conidae – Clathurellinae)

- dumosa Hedley, Cotton & Godfrey, 1938 = Atrina tasmanica (family Pinnidae)

- dunkeri Jonas, 1844 = Microcolus dunkeri (family Fasciolariidae – Fasciolariinae)

- dunkeri Koch, 1843 = Clanculus dunkeri (family Trochidae – Trochinae)

- duplex Hoyle, 1885 = Octopus superciliosus (family Octopodidae – Octopodinae)

- duritas Iredale, 1931 = Ennucula obliqua (family Nuculidae)

- dyscritos Verco, 1906 = Exomilus dyscritos (family Conidae – Rhaphitominae)

- dyspetes Iredale, 1929 = Amalda marginata (family Olividae – Ancillariinae)