Diceras acutum G. Boehm, 1883 † (uncertain > unassessed )
Diceras angulatum Bayle, 1873 †
Diceras arietina Lamarck, 1805 † accepted as Diceras arietinum Lamarck, 1805 †
Diceras arietinum Lamarck, 1805 †
Diceras balaklavense Pchelintsev, 1959 †
Diceras bavaricum G. Boehm, 1881 † accepted as Epidiceras bavaricum (G. Boehm, 1881) †
Diceras beyrichi G. Boehm, 1883 † (uncertain > unassessed )
Diceras beyrichi var. communis G. Boehm, 1883 † (uncertain > unassessed )
Diceras beyrichi var. porrecta G. Boehm, 1883 † (uncertain > unassessed )
Diceras beyrichi var. rugata G. Boehm, 1883 † (uncertain > unassessed )
Diceras bourgeati de Loriol, 1888 †
Diceras brevicornum Karczewski, 1969 †
Diceras buvignieri Bayle, 1873 †
Diceras cotteaui Bayle, 1873 † (uncertain > unassessed )
Diceras escheri de Loriol, 1867 †
Diceras eximium Bayle, 1873 † (uncertain > unassessed )
Diceras favri Sharpe, 1850 † (uncertain > unassessed )
Diceras germani Pictet & Campiche, 1868 † accepted as Valletia germani (Pictet & Campiche, 1868) †
Diceras gracile Dubbers, 1888 † accepted as Plesiodiceras gracile (Dubbers, 1888) †
Diceras impressum Karczewski, 1969 †
Diceras incrassata Etallon, 1862 † accepted as Diceras incrassatum Etallon, 1862 †
Diceras incrassatum Etallon, 1862 †
Diceras inequirostratus S. Woodward, 1833 † (uncertain > unassessed )
Diceras inostrancevi Pchelintsev, 1924 † accepted as Epidiceras inostrancevi (Pchelintsev, 1924) †
Diceras kastropolense Pchelintsev, 1959 †
Diceras koeneni Dubbers, 1888 † (uncertain > nomen dubium )
Diceras kozlowskii (Karczewski, 1969) †
Diceras longum (Karczewski, 1969) †
Diceras lonsdalii J. De C. Sowerby, 1836 † accepted as Caprotina lonsdalii (J. De C. Sowerby, 1842) †
Diceras lorioli Pictet & Campiche, 1868 † accepted as Valletia lorioli (Pictet & Campiche, 1868) †
Diceras lucii Defrance, 1819 † accepted as Heterodiceras lucii (Defrance, 1819) †
Diceras lucii var. communis G. Boehm, 1883 † (uncertain > unassessed )
Diceras lucii var. extenta G. Boehm, 1883 † (uncertain > unassessed )
Diceras lucii var. mirabilis G. Boehm, 1883 † (uncertain > unassessed )
Diceras lucii var. ovalis G. Boehm, 1883 † (uncertain > unassessed )
Diceras magnum (Karczewski, 1969) †
Diceras marginatum Bayle, 1873 †
Diceras minima Buvignier, 1852 † accepted as Diceras minimum Buvignier, 1852 †
Diceras minimum Buvignier, 1852 †
Diceras moreaui Bayle, 1873 † (uncertain > unassessed )
Diceras noetlingi Blanckenhorn, 1890 † (uncertain > unassessed )
Diceras originale Bayle, 1873 †
Diceras pcelincevi (Karczewski, 1969) †
Diceras pironai G. Boehm, 1885 † accepted as Apricardia pironai (G. Boehm, 1885) †
Diceras podolicum Alth, 1882 † (uncertain > unassessed )
Diceras polonicum (Karczewski, 1969) †
Diceras portlandicum Etallon, 1862 †
Diceras praearietinum Pchelintsev, 1959 †
Diceras sanctaeverenae Thurmann, 1853 † (uncertain > unassessed )
Diceras sinistrum Deshayes, 1824 † accepted as Epidiceras sinistrum (Deshayes, 1824) †
Diceras spirale (Karczewski, 1969) †
Diceras strambergensis Blaschke, 1911 † (uncertain > unassessed )
Diceras strangulatum Bayle, 1873 †
Diceras subarietinum Pchelintsev, 1959 †
Diceras subbourgeati Pchelintsev, 1959 †
Diceras suprajurense Thurmann, 1853 †
Diceras ursicinum Thurmann, 1853 † accepted as Epidiceras ursicinum (Thurmann, 1853) †
Diceras valfinense G. Boehm, 1881 † accepted as Plesiodiceras muensteri (Goldfuss, 1837) †
Macrodiceras kozlowskii Karczewski, 1969 † accepted as Diceras kozlowskii (Karczewski, 1969) †
Macrodiceras longum Karczewski, 1969 † accepted as Diceras longum (Karczewski, 1969) †
Macrodiceras magnum Karczewski, 1969 † accepted as Diceras magnum (Karczewski, 1969) †
Macrodiceras pcelincevi Karczewski, 1969 † accepted as Diceras pcelincevi (Karczewski, 1969) †
Macrodiceras polonicum Karczewski, 1969 † accepted as Diceras polonicum (Karczewski, 1969) †
Macrodiceras spirale Karczewski, 1969 † accepted as Diceras spirale (Karczewski, 1969) †
Valletia aliena Počta, 1889 † accepted as Monopleura aliena (Počta, 1889) †
Valletia antiqua Favre, 1913 †
Valletia auris Favre, 1927 †
Valletia auris var. crassa Favre, 1927 † accepted as Valletia auris Favre, 1927 †
Valletia favrei Yanin, 1958 † (unaccepted > nomen nudum )
Valletia germani (Pictet & Campiche, 1868) †
Valletia lorioli (Pictet & Campiche, 1868) † (uncertain > nomen dubium )
Valletia michaillensis (Pictet & Campiche, 1868) † accepted as Monopleura michaillensis Pictet & Campiche, 1868 †
Valletia pilleti Munier-Chalmas, 1882 † accepted as Valletia germani (Pictet & Campiche, 1868) †
Valletia tombecki Munier-Chalmas, 1873 † accepted as Valletia germani (Pictet & Campiche, 1868) †
Valletia urkustensis Pchelintsev, 1959 † (uncertain > nomen dubium )