Boreoscala keaseyensis (FOSSIL) J.W. Durham, 1937 † USA, Oregon, Columbia
Scalaria keepingi (FOSSIL) Gardner † UK, Cambridgeshire
Scalina kendacensis (FOSSIL) P.O. Jung, 1971 † Grenadines
Alora kiiensis T. Nakayama, 2000
Epitonium kilburni J. Drivas & M. Jay, 1989 Réunion6 mm
Epitonium kiyohimae T. Nakayama, 2000
Epitonium klunzingeri (S. Clessin, 1897)
Epitonium kobelti S. Clessin, 1897
Cirsotrema koeneni (FOSSIL) A.W. Janssen † Belgium5 mm
Opalia komitica (FOSSIL) (C.R. Laws, 1944 †)
Dubariscala korobceevensis (FOSSIL) (Gerasimov, 1992 †) Russia, Moscow
Epitonium koshimagani (T. Nakayama, 1991) China, Zhejiang8,5 mm
Opalia koskinum (C. Hedley, 1909) Queensland
Epitonium koyamai (T. Nakayama, 1995) Philippines, Aliguay Island9,4 mm
Epitonium kraussi (P. Nyst, 1871) South Africa, Cape11,7 mm
Epitonium krebsii (O.A.L. Mörch, 1875) Panama7,5 mm
Cirsotrema krousma R.N. Kilburn, 1985
Crisposcala krystafoviczi (FOSSIL) Klusznikov, 1958 † Ukraine, Mandrikovka Beds
Cirsotrema kuriense (FOSSIL) J. Marwick, 1942 †
Claviscala kuroharai J.T. Kuroda in M. Azuma,1960 Australia, Cape Moreton21,1 mm
Amaea kushimotensis T. Nakayama, 2000 China, Zhejiang11,28 mm
Epitonium labeo (F.P. Jousseaume, 1912) Yemen, Aden4 mm
Epitonium lachrymulum (F.P. Jousseaume, 1912) Yemen, Aden5 mm
Epitonium lacrima R.N. Kilburn, 1985
Pseudoclaviscala laevicosta (FOSSIL) D.T. Dockery, 1993 † USA, Mississippi, Lee
Epitonium lagunarum W.H. Dall, 1917 California, Laguna beach
Epitonium laidlawi (J.C. Melvill& R. Standen, 1903) China, Zhejiang10,4 mm
Epitonium lamarcki (FOSSIL) (G.P. Deshayes, 1861 †) France, Aquitaine
Opalia lamarckii (FOSSIL) G.P. Deshayes, 1861 † France, Paris Basin
Epitonium lamberti (FOSSIL) (G.P. Deshayes, 1861 †) France, Aquitaine6 mm
Gyroscala lamellosa (J.B.P.A. Lamarck, 1822) Western Australia, Perth18 mm
Epitonium lamellosum J.B.P.A. Lamarck, 1822
Acrilloscala lamyi (M.E.A. de Boury, 1909) Spain30 mm
Acirsa lanceolata (FOSSIL) (G.B. Brocchi, 1814 †) Italy, Emilia
Eglisia lanceolata L.A. Reeve, 1865 China, Zhejiang41,46 mm