Dasybranchus caducus Fauvel, 1927 – synonym of Dasybranchus caducus
Dasybranchus gajolae – synonym of Dasybranchus caducus
Dasybranchus gajolae Eliason, 1962 – synonym of Dasybranchus caducus
Dasychone argus – synonym of Branchiomma bombyx
Dasychone argus, Malmgren, 1865 – synonym of Branchiomma bombyx
Dasychone bombyx – synonym of Branchiomma bombyx
Dasychone bombyx Fauvel, 1927 – synonym of Branchiomma bombyx
Dasychone dalyelli – synonym of Branchiomma bombyx
Dasychone dalyelli Michaelsen, 1876 – synonym of Branchiomma bombyx
Dasychone inconspicua – synonym of Branchiomma inconspicua
Dasychone inconspicua M. Sars in G.O. Sars, 1872 – synonym of Branchiomma inconspicua
Dasylepis asperrima – synonym of Acanthicolepis asperrima
Dasylepis asperrima McIntosh, 1876 – synonym of Acanthicolepis asperrima
Dasymallus caducus – synonym of Dasybranchus caducus
Dasymallus caducus Grube, 1846 – synonym of Dasybranchus caducus
Dentalium arietinum – synonym of Ditrupa arietina
Dentalium arietinum O.F. Müller, 1776 – synonym of Ditrupa arietina
Dexiospira brasiliensis – synonym of Janua brasiliensis
Dexiospira brasiliensis – synonym of Janua brasiliensis
Dexiospira oshoroensis – synonym of Janua brasiliensis
Dexiospira oshoroensis Uchida, 1971 – synonym of Janua brasiliensis
Dinophilus gyrociliatus O. Schmidt, 1857 – synonym of Dinophilus gyrociliatus
Dinophilus taeniatus Harmer, 1889 – synonym of Dinophilus taeniatus
Diplaconotum paucidentata – synonym of Diplaconotum paucidentatum
Diplaconotum paucidentata Kirkegaard, 1992 – synonym of Diplaconotum paucidentatum
Diplaconotum paucidentatum Loshamn, 1981 – synonym of Diplaconotum paucidentatum
Diplocirrus glaucus Haase, 1915 – synonym of Diplocirrus glaucus
Disoma multisetosa – synonym of Trochochaeta multisetosa
Disoma multisetosa Oersted, 1843 – synonym of Trochochaeta multisetosa
Disoma multisetosum – synonym of Prionospio steenstrupi
Disoma multisetosum (non Oersted) Thorson, 1946 – synonym of Prionospio steenstrupi
Ditrupa arietina Fauvel, 1927 – synonym of Ditrupa arietina
Ditrypa arietina – synonym of Ditrupa arietina
Ditrypa arietina McIntosh, 1923 – synonym of Ditrupa arietina
Diurodrilus minimus Remane, 1925 – synonym of Diurodrilus minimus
Diurodrilus subterraneus Remane, 1934 – synonym of Diurodrilus subterraneus
Dodecaceria concharum Oersted, 1843 – synonym of Dodecaceria concharum
Dorvillea erucaeformis Josefson, 1975 – synonym of Dorvillea erucaeformis
Dorvillea keferstein – synonym of Protodorvillea kefersteini
Dorvillea kefersteini: Auctt. – synonym of Protodorvillea kefersteini
Drilonereis brattstroemi Fauchald, 1972 – synonym of Drilonereis brattstroemi
Drilonereis filum Hartmann-Schröder, 1971 – synonym of Drilonereis filum
Drilonereis longa var. elisabethae – synonym of Drilonereis filum
Drilonereis longa var. elisabethae McIntosh, 1910 – synonym of Drilonereis filum
Drilonereis macrocephala – synonym of Drilonereis filum
Drilonereis macrocephala Saint-Joseph, 1888 – synonym of Drilonereis filum
Drilonereis norvegica – synonym of Drilonereis filum
Drilonereis norvegica Sömme, 1927 – synonym of Drilonereis filum
Dukardinia rotifera – synonym of Nerilla antennata
Dukardinia rotifera Quatrefages, 1866. – synonym of Nerilla antennata
Dysponetus caecus – synonym of Dysponetus caecus
Dysponetus caecus Hartmann-Schröder, 1996 – synonym of Dysponetus caecus
Dysponetus paleophorus Hartmann-Schröder, 1974 – synonym of Dysponetus paleophorus