Lophonema peccatonica (FOSSIL) (Sardeson, 1896 †) United States, Missouri, Bollinger
Lophonema perstriata (FOSSIL) (Billings, 1859 †) Canada, Quebec, Minganie-Basse-Cote-Nord
Helicotoma planulata (FOSSIL) Salter, 1859 † Canada, Ontario, Kawartha Lakes
Helicotoma planulatoides (FOSSIL) Ulrich & Scofield, 1897 † USA, Kentucky, Garrard
Helicotoma proserpina (FOSSIL) Billings, 1865 †
Helicotoma robinsoni (FOSSIL) Rohr, 1988 † Alaska, Seward Peninsula
Helicotoma robusta (FOSSIL) Ulrich & Scofield, 1897 †
Ophiletina shokoriense (FOSSIL) O. Kobayashi, 1930 † North Korea, Pyongyang
Helicotoma similis (FOSSIL) R.P. Whitfield, 1890 † Greenland, Cape Stosch
Ophiletina sublaxa (FOSSIL) Ulrich & Scofield, 1897 † USA, California, Siskiyou
Helicotoma subquadrata (FOSSIL) Ulrich & Scofield, 1897 † USA, Tennessee, Bedford
Helicotoma superba (FOSSIL) E.F.R.K. Koken, 1897 † Estonia, Lääne-Viru
Lophonema taneyensis (FOSSIL) (Cullison, 1944 †) USA, Missouri, Taney
Helicotoma tennesseensis (FOSSIL) Safford, 1869 † USA, Georgia, Catoosa
Lophonema tricarinata (FOSSIL) (Billings, 1859 †) Canada, Quebec, Minganie-Basse-Cote-Nord
Helicotoma tritonia (FOSSIL) Billings, 1865 †
Helicotoma umbilicata (FOSSIL) Ulrich & Scofield, 1897 † USA, Wisconsin, Rock County
Helicotoma verticalis (FOSSIL) Ulrich & Scofield, 1897 † USA, Virginia, Tazewell
Boucotspira visbeyensis (FOSSIL) (Lindstrom, 1884 †)
Helicotoma whiteavesiana (FOSSIL) W.J. Raymond, 1908 † Canada, Ontario, Ottawa
Boucotspira wisbyensis (FOSSIL) (Lindström, 1884 †) Sweden, Wialmsudd
Lophonema wuhuensis (FOSSIL) Endo, 1935 † China, Liaoning, Dalian