Albinaria maculosa (G.P. Deshayes, 1835) Italy, Sicily Island16,1 mm
Alopia mafteiana A.V. Grossu, 1967 Romania17,1 mm
Formosana magnaciana (P.M. Heude, 1882)
Temesa magnifica E.R. Sykes, 1901 Bolivia
Grandinenia magnilabris H. Nordsieck, 2012 China, Guangxi province39 mm
Protriloba magurkai (FOSSIL) Stworzewicz, 2013 †
Oospira mairei A.R.J.B. Bavay& P. Dautzenberg, 1909 Vietnam12,4 mm
Oospira mairei laevigata A.R.J.B. Bavay& P. Dautzenberg, 1909 Vietnam12 mm
Oospira mairei major A.R.J.B. Bavay& P. Dautzenberg, 1909 Vietnam12 mm
Oospira mairei minor A.R.J.B. Bavay& P. Dautzenberg, 1909 Vietnam12 mm
Oospira mairei monstrosa A.R.J.B. Bavay& P. Dautzenberg, 1909 Vietnam12 mm
Paraphaedusa makassarensis (E.R. Sykes, 1897) Indonesia
Oospira malaisei H. Nordsieck, 1973
Steeriana malleolata (R.A. Philippi, 1867) Cajamarca, Peru15 mm
Formosana malleolata H. Nordsieck, 2012
Albinaria maltzani (O. Böttger, 1883) Greece, Crete Island18 mm
Mansuyiella mansuyi (P. Dautzenberg& H. Fischer, 1908) China, Guangxi province24 mm
Cylindronenia maranhonensis (J.A. Albers, 1854) Peru, Amazonas Province21 mm
Columbinia marcapatensis H. Nordsieck, 2010 Peru, Cuzco
Dilataria marcki (L. Pfeiffer, 1868) Croatia
Hemiphaedusa margaritifera A.R.J.B. Bavay& P. Dautzenberg, 1909 Vietnam, Lao Cai10,8 mm
Macedonica marginata (E.A. Rossmässler, 1835) Macedonia21 mm
Macedonica marginata frivaldskyana (E.A. Rossmässler, 1839) Bulgaria25,2 mm
Macedonica marginata grossa (E.A. Rossmässler, 1835) Romania19,2 mm
Macedonica marginata major (J. Urbanski, 1964) Bulgaria, Rhodope Mountains14 mm
Macedonica marginata minor (E.A. Rossmässler, 1835) Romania17,3 mm
Macedonica marginata teodorae A. Irikov, 2006 Bulgaria, Rhodope Mountains
Alopia mariae R. Kimakowicz, 1931
Incania mariae A. Zilch, 1954 Peru
Serrulina mariae L. Németh & M. Szekeres,1995 Turkey, Samsun
Paracochlodina marisi (E.A. Bielz, 1861) Romania17,5 mm
Grandinenia maroskoi J. Grego & M. Szekeres,2011 China, Guangxi province35,4 mm
Columbinia marshalli (H.A. Pilsbry, 1926) Bolivia
Macedonica martae I. Sajó, 1968 Bulgaria
Serriphaedusa marteli (P. Dautzenberg, 1915) Tibet39,2 mm