| Species | Authority | Age | Location | Unit | Status |
| Dicynodon acutirostris | Broom, 1935 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Tropidostoma dubium |
| Dicynodon aetorhamphus | Broom, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon alfredi | (Owen, 1862) | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Junior synonym of Lystrosaurus declivis |
| Dicynodon allani | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon alticeps | Broom and Haughton, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Valid as Sintocephalus alticeps |
| Dicynodon amalitzkii | Sushkin, 1926 | Late Permian | Russia | Upper Vyatkian | Valid as Peramodon amalitzkii |
| Dicynodon andrewsi | Broom, 1921 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon annae | Sushkin, 1926 | Late Permian | Russia | Upper Vyatkian | Junior synonym of Vivaxosaurus trautscholdi |
| Dicynodon anneae | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dinanomodon gilli |
| Dicynodon antjiesfonteinensis | Toerien, 1953 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon bainii | Owen, 1845 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Valid as Aulacephalodon bainii |
| Dicynodon bathyrhynchus | von Huene, 1942 | Late Permian | Tanzania | Upper Usili Formation | Valid as Euptychognathus bathyrhynchus |
| Dicynodon benjamini | Broom, 1948 | Late Permian | South Africa | Dicynodon Assemblage Zone | Valid as Keyseria benjamini |
| Dicynodon bogdaensis | King, 1988 | Late Permian | China | Guodikeng Formation | Valid as Turfanodon bogdaensis |
| Dicynodon bolorhinoides | Watson, 1960 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Aulacephalodon bainii |
| Dicynodon bolorhinus | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon brachyrhynchus | Broom, 1948 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon breviceps | Haughton, 1915 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon brevirostris | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon broomi | Broili and Schröder, 1937 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon broilii | Boonstra, 1948 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon cadlei | Broom, 1940 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon calverleyi | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Basilodon woodwardi |
| Dicynodon cavifrons | Broom and Haughton, 1917 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Tropidostoma dubium |
| Dicynodon clarencei | Broom, 1950 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dicynodontoides recurvidens |
| Dicynodon copei | Seeley, 1889 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Junior synonym of Lystrosaurus murrayi |
| Dicynodon cordylus | Lydekker, 1889 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Nomen dubium |
| Dicynodon corstorphinei | Broom and Haughton, 1917 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon curtus | Broom, 1921 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon curvatus | Owen, 1876 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Valid as Lystrosaurus curvatus |
| Dicynodon cyclops | Haughton, 1917 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon daptocephaloides | Toerien, 1955 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Daptocephalus leoniceps |
| Dicynodon declivis | Owen, 1860 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Valid as Lystrosaurus declivis |
| Dicynodon depressus | (Owen, 1876) | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Junior synonym of Lystrosaurus declivis |
| Dicynodon dubius | Owen, 1876 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Valid as Tropidostoma dubium |
| Dicynodon duffianus | von Huene, 1940 | Late Permian | Scotland | Cutties Hillock Sandstone Formation | Junior synonym of Gordonia traquairi |
| Dicynodon dunnii | Seeley, 1889 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Tropidostoma dubium |
| Dicynodon dutoiti | Broom and Schepers, 1937 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon duvenhagei | Broom, 1948 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Dicynodontoides recurvidens |
| Dicynodon euryceps | Boonstra, 1938 | Late Permian | Zambia | Upper Madumabisa Mudstone | Junior synonym of Oudenodon bainii |
| Dicynodon feliceps | Owen, 1876 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Valid as Diictodon feliceps |
| Dicynodon galecephalus | Broom and Robinson, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dinanomodon gilli |
| Dicynodon gamkaensis | Broom, 1937 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon gilli | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Valid as Dinanomodon gilli |
| Dicynodon glaucops | Broom, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon graaffi | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon gracilis | Broom, 1913 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Dicynodontoides recurvidens |
| Dicynodon grahami | Broom, 1940 | Late Permian | South Africa | Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon grandis | Haughton, 1917 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Incertae sedis |
| Dicynodon greyii | Broom, 1913 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon grimbeeki | Broom, 1935 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon grossarthi | Broili and Schröder, 1937 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon halli | Watson, 1914 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon hartzenbergi | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Incertae sedis |
| Dicynodon haughtonianus | von Huene, 1931 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon helenae | Boonstra, 1938 | Late Permian | Zambia | Upper Madumabisa Mudstone | Junior synonym of Oudenodon bainii |
| Dicynodon howardi | Broom, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dicynodontoides recurvidens |
| Dicynodon huenei | Haughton, 1932 | Late Permian | Tanzania | Upper Usili Formation | Valid |
| Dicynodon huxleyanus | von Huene, 1940 | Late Permian | United Kingdom | Cutties Hillock Sandstone Formation | Junior synonym of Gordonia traquairi |
| Dicynodon ictidops | Broom, 1913 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon ictinops | Broom, 1921 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Emydops arctatus |
| Dicynodon incisivum | Repelin, 1923 | Late Permian | Laos | "Purple beds" | Nomen dubium |
| Dicynodon ingens | Broom, 1907 | Late Permian | South Africa | Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon jouberti | Broom, 1905 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone or Pristerognathus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon juddianus | von Huene, 1940 | Late Permian | United Kingdom | Cutties Hillock Sandstone Formation | Junior synonym of Gordonia traquairi |
| Dicynodon kitchingi | Broom, 1937 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon kolbei | Broom, 1912 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon lacerticeps | Owen, 1845 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Valid |
| Dicynodon laticeps | Broom, 1912 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Aulacephalodon bainii |
| Dicynodon latifrons | Broom, 1899 | Middle Triassic | South Africa | Cynognathus Assemblage Zone | Junior synonym of Kannemeyeria simocephala |
| Dicynodon latirostris | Owen, 1860 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Junior synonym of Lystrosaurus declivis |
| Dicynodon leoniceps | Owen, 1876 | Late Permian | South Africa | Dicynodon Assemblage Zone | Valid as Daptocephalus leoniceps |
| Dicynodon leontocephalus | Broom, 1950 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Daptocephalus leoniceps |
| Dicynodon leontops | Broom, 1913 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Daptocephalus leoniceps |
| Dicynodon leptorhinus | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Nomen dubium |
| Dicynodon leptoscelus | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Nomen dubium |
| Dicynodon limbus | Lucas, 1998 | Late Permian | China | Naobaogou Formation | Valid as Daqingshanodon limbus |
| Dicynodon lissops | Broom, 1913 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Daptocephalus leoniceps |
| Dicynodon locusticeps | von Huene, 1942 | Late Permian | Tanzania | Upper Usili Formation | Valid as Geikia locusticeps |
| Dicynodon luangwanensis | Boonstra, 1938 | Late Permian | Tanzania | Upper Usili Formation | Junior synonym of Oudenodon bainii |
| Dicynodon luckhoffi | Broom, 1937 | Late Permian | South Africa | Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon lutriceps | Broom, 1912 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon maccabei | Broom, 1940 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon macrodon | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dinanomodon gilli |
| Dicynodon macrorhynchus | Broom, 1921 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon magnus | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Valid as Rhachiocephalus magnus |
| Dicynodon marlothi | von Huene, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon megalops | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon megalorhinus | Broom, 1913 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Nomen dubium |
| Dicynodon microdon | Broom, 1936 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Basilodon woodwardi |
| Dicynodon microrhynchus | von Huene, 1931 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Pristerodon mackayi |
| Dicynodon microtrema | Seeley, 1889 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Tropidostoma dubium |
| Dicynodon milletti | Broom, 1928 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon moschops | Broom, 1913 | Late Permian | South Africa | Dicynodon Assemblage Zone | Valid as Pelanomodon moschops |
| Dicynodon moutonae | Broom, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon murrayi | Huxley, 1859 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Valid as Lystrosaurus murrayi |
| Dicynodon mustoi | Haughton, 1915 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon nanus | Broom, 1936 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon nesemanni | Broom, 1940 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon njalilus | von Huene, 1942 | Middle Triassic | South Africa | Manda Beds | Valid as Tetragonias njalilus |
| Dicynodon nowacki | von Huene, 1942 | Late Permian | Zambia | Usili Formation | Valid as Dicynodontoides nowacki |
| Dicynodon orientalis | Huxley, 1865 | Early Triassic | India | Panchet Formation | Junior synonym of Lystrosaurus murrayi |
| Dicynodon osborni | Broom, 1921 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Daptocephalus leoniceps |
| Dicynodon oweni | Lydekker, 1889 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Nomen dubium |
| Dicynodon pachyrhynchus | Broom, 1913 | Middle Triassic | South Africa | Cynognathus Assemblage Zone | Junior synonym of Kannemeyeria simocephala |
| Dicynodon parabreviceps | Boonstra, 1938 | Late Permian | Zambia | Upper Madumabisa Mudstone | Junior synonym of Oudenodon bainii |
| Dicynodon pardiceps | Owen, 1876 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon parvidens | Owen, 1876 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon planus | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon platyceps | Broom, 1913 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon platyfrons | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon prognathus | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon pseudojouberti | Boonstra, 1948 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Nomen dubium |
| Dicynodon psittacops | Broom, 1912 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon pygmaeus | Broom and Haughton, 1917 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Pristerodon mackayi |
| Dicynodon raniceps | Broom, 1913 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Pristerodon mackayi |
| Dicynodon rectidens | Owen, 1876 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon recurvidens | Owen, 1876 | Late Permian | South Africa | Dicynodon Assemblage Zone | Valid as Dicynodontoides recurvidens |
| Dicynodon richardi | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon roberti | Boonstra, 1938 | Late Permian | Zambia | Upper Madumabisa Mudstone | Junior synonym of Syops vanhoepeni |
| Dicynodon robertsi | Broom, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon robustus | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon rogersi | Broom and Haughton, 1917 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Tropidostoma dubium |
| Dicynodon rosmarus | Cope, 1870 | Late Triassic | USA | Lockatong Formation | Nomen dubium |
| Dicynodon rossicus | Sushkin, 1926 | Late Permian | Russia | Upper Vyatkian | Junior synonym of Vivaxosaurus trautscholdi |
| Dicynodon rubidgei | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon scheepersi | Broom, 1948 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Rhachiocephalus magnus |
| Dicynodon schroederi | Toerien, 1953 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Robertia broomiana |
| Dicynodon schwarzi | Broom, 1919 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon scopulusa | Lucas, 1998 | Late Permian | China | Quanzijie Formation | Incertae sedis |
| Dicynodon seeleyi | Broili, 1908 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Nomen dubium |
| Dicynodon sidneyi | Broom, 1940 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Pelanomodon moschops |
| Dicynodon simocephalus | Weithofer, 1888 | Middle Triassic | South Africa | Cynognathus Assemblage Zone | Valid as Kannemeyeria simocephala |
| Dicynodon sinkianensis | Yuan and Young, 1934 | Late Permian | China | Guodikeng Formation | Valid as Jimusaria sinkianensis |
| Dicynodon sollasi | Broom, 1921 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon strigiceps | Owen, 1845 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon strigops | Broom, 1913 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Nomen dubium |
| Dicynodon sunanensis | Li et al., 2000 | Late Permian | China | Guodikeng Formation | Junior synonym of Turfanodon bogdaensis |
| Dicynodon swierstrai | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Pristerodon mackayi |
| Dicynodon taoshuyuanensis | King, 1988 | Late Permian | China | Guodikeng Formation | Junior synonym of Jimusaria sinkianensis |
| Dicynodon taylori | Broom, 1932 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon tealei | Haughton, 1932 | Late Permian | Tanzania | Usili Formation | Nomen dubium |
| Dicynodon tener | von Huene, 1935 | Middle - Late Triassic | Brazil | Santa Maria Formation | Nomen dubium |
| Dicynodon testudiceps | Owen, 1845 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon testudirostris | Broom and Haughton, 1913 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon tienshanensis | Sun, 1973 | Late Permian | China | Guodikeng Formation | Junior synonym of Diictodon feliceps |
| Dicynodon tigriceps | Owen, 1855 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Aulacephalodon bainii |
| Dicynodon traquairi | von Huene, 1940 | Late Permian | United Kingdom | Cutties Hillock Sandstone Formation | Junior synonym of Gordonia traquairi |
| Dicynodon trautscholdi | Amalitzky, 1922 | Late Permian | Russia | Upper Vyatkian | Valid as Vivaxosaurus trautscholdi |
| Dicynodon trigoniceps | Broom, 1913 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Pristerodon mackayi |
| Dicynodon trigonocephalus | Broom, 1940 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dicynodon lacerticeps |
| Dicynodon truncatus | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone or Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon turpior | von Huene, 1935 | Late Triassic | Brazil | Santa Maria Formation | Nomen dubium |
| Dicynodon tylorhinus | Broom, 1913 | Late Permian | South Africa | Dicynodon Assemblage Zone | Incertae sedis |
| Dicynodon validus | Broom, 1935 | Late Permian | South Africa | Tropidostoma Assemblage Zone | Junior synonym of Tropidostoma dubium |
| Dicynodon vanderbyli | Broom, 1928 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon vanderhorsti | Toerien, 1953 | Middle Permian | South Africa | Tapinocephalus Assemblage Zone | Junior synonym of Diictodon feliceps |
| Dicynodon vanhoepeni | Boonstra, 1938 | Late Permian | Zambia | Upper Madumabisa Mudstone | Valid as Syops vanhoepeni |
| Dicynodon venteri | Broom, 1935 | Late Permian | South Africa | Dicynodon Assemblage Zone | Nomen dubium |
| Dicynodon venyukovi | Sushkin, 1926 | Late Permian | Russia | Upper Vyatkian | Junior synonym of Vivaxosaurus trautscholdi |
| Dicynodon verticalis | Owen, 1860 | Early Triassic | South Africa | Lystrosaurus Assemblage Zone | Junior synonym of Lystrosaurus murrayi |
| Dicynodon watsoni | Broom, 1921 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Daptocephalus leoniceps |
| Dicynodon weatherbyi | Broom, 1941 | Late Permian | South Africa | Dicynodon Assemblage Zone | Junior synonym of Basilodon woodwardi |
| Dicynodon wellwoodensis | Broom, 1936 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon whaitsi | Broom, 1913 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Valid as Odontocyclops whaitsi |
| Dicynodon whitsonae | Toerien, 1954 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Dinanomodon gilli |
| Dicynodon wilmanae | Broom, 1928 | Late Permian | South Africa | Cistecephalus Assemblage Zone | Junior synonym of Oudenodon bainii |
| Dicynodon woodwardi | Broom, 1921 | Late Permian | South Africa | Dicynodon Assemblage Zone | Valid as Basilodon woodwardi |