Helix (Carthusiana) obstructa var. depressula Kobelt, 1892 accepted as Monacha obstructa (L. Pfeiffer, 1842) (source of synonymy)
Helix (Fruticicola) bifaria Westerlund, 1889 accepted as Monacha carascaloides (Bourguignat, 1855) (source of synonymy)
Helix (Fruticicola) obstructa var. dilatata Westerlund, 1889 accepted as Monacha obstructa (L. Pfeiffer, 1842) (basis of record)
Helix (Nummulina) spiroxia var. harmosa Westerlund, 1892 accepted as Monacha spiroxia (Bourguignat, 1868) (source of synonymy)
Helix (Theba) pseudobstructa Germain, 1921 accepted as Monacha eliae (Nägele, 1906) (basis of record)
Helix draxleri Kobelt, 1879 accepted as Monacha rothii (L. Pfeiffer, 1841) (source of synonymy)
Helix rothii var. obsita Mousson, 1854 accepted as Monacha rothii (L. Pfeiffer, 1841) (source of synonymy)
Helix schotti L. Pfeiffer, 1857 accepted as Monacha obstructa (L. Pfeiffer, 1842) (source of synonymy)
Helix subobstructa Bourguignat, 1855 accepted as Monacha claustralis (Menke, 1828) (source of synonymy)
Monacha (Metatheba) densecostulata (Retowski, 1887) accepted as Monacha densecostulata (Retowski, 1887) (basis of record)
Monacha (Metatheba) devrekensis Hausdorf, 2000 represented as Monacha devrekensis Hausdorf, 2000 (original description)
Monacha (Metatheba) galatica Hausdorf, 2000 represented as Monacha galatica Hausdorf, 2000 (original description)
Monacha (Metatheba) gemina Hausdorf, 2000 represented as Monacha gemina Hausdorf, 2000 (original description)
Monacha (Metatheba) hamsikoeyensis (Hudec, 1973) accepted as Monacha hamsikoeyensis (Hudec, 1973) (basis of record)
Monacha (Metatheba) laxa Hausdorf, 2000 represented as Monacha laxa Hausdorf, 2000 (original description)
Monacha (Metatheba) pharmacia Hausdorf, 2000 represented as Monacha pharmacia Hausdorf, 2000 (original description)
Monacha (Metatheba) phazimonitica Hausdorf, 2000 represented as Monacha phazimonitica Hausdorf, 2000 (original description)
Monacha (Metatheba) samsunensis (L. Pfeiffer, 1868) represented as Monacha samsunensis (L. Pfeiffer, 1868) (additional source)
Monacha (Metatheba) stipulifera Hausdorf, 2000 represented as Monacha stipulifera Hausdorf, 2000 (original description)
Monacha (Metatheba) terebrata Hausdorf, 2000 represented as Monacha terebrata Hausdorf, 2000 (original description)
Monacha (Monacha) albocincta (Hesse, 1912) represented as Monacha albocincta (Hesse, 1912) (basis of record)
Monacha (Monacha) carascaloides (Bourguignat, 1855) represented as Monacha carascaloides (Bourguignat, 1855) (additional source)
Monacha (Monacha) carinata Hausdorf, 2000 represented as Monacha carinata Hausdorf, 2000 (original description)
Monacha (Monacha) claustralis (Menke, 1828) represented as Monacha claustralis (Menke, 1828) (additional source)
Monacha (Monacha) comata Hausdorf, 2000 accepted as Monacha comata Hausdorf, 2000 (original description)
Monacha (Monacha) compingtae (Pallary, 1929) accepted as Monacha compingtae (Pallary, 1929) (basis of record)
Monacha (Monacha) crenophila (L. Pfeiffer, 1857) represented as Monacha crenophila (L. Pfeiffer, 1857) (basis of record)
Monacha (Monacha) dissimulans L. Pintér, 1968 accepted as Monacha claustralis (Menke, 1828) (source of synonymy)
Monacha (Monacha) eliae (Nägele, 1906) represented as Monacha eliae (Nägele, 1906) (basis of record)
Monacha (Monacha) heteromorpha Hausdorf, 2000 represented as Monacha heteromorpha Hausdorf, 2000 (original description)
Monacha (Monacha) ignorata (O. Boettger, 1905) represented as Monacha ignorata (O. Boettger, 1905) (basis of record)
Monacha (Monacha) liebegottae Hausdorf, 2003 represented as Monacha liebegottae Hausdorf, 2003 (original description)
Monacha (Monacha) melitenensis (P. Hesse, 1915) represented as Monacha melitenensis (P. Hesse, 1915) (basis of record)
Monacha (Monacha) menkhorsti Hausdorf, 2000 represented as Monacha menkhorsti Hausdorf, 2000 (original description)
Monacha (Monacha) merssinae (Mousson, 1874) represented as Monacha merssinae (Mousson, 1874) (basis of record)
Monacha (Monacha) nordsiecki Hausdorf, 2000 represented as Monacha nordsiecki Hausdorf, 2000 (original description)
Monacha (Monacha) obstructa (L. Pfeiffer, 1842) represented as Monacha obstructa (L. Pfeiffer, 1842) (basis of record)
Monacha (Monacha) ocellata (J. R. Roth, 1839) accepted as Monacha ocellata (J. R. Roth, 1839) (additional source)
Monacha (Monacha) ovularis (Bourguignat, 1855) represented as Monacha ovularis (Bourguignat, 1855) (additional source)
Monacha (Monacha) pamphylica Hausdorf, 2000 accepted as Monacha pamphylica Hausdorf, 2000 (original description)
Monacha (Monacha) riedeli Hausdorf, 2000 represented as Monacha riedeli Hausdorf, 2000 (original description)
Monacha (Monacha) saninensis (Pallary, 1939) represented as Monacha saninensis (Pallary, 1939) (basis of record)
Monacha (Monacha) solidior (Mousson, 1863) represented as Monacha solidior (Mousson, 1863) (additional source)
Monacha (Monacha) spiroxia (Bourguignat, 1868) represented as Monacha spiroxia (Bourguignat, 1868) (additional source)
Monacha (Monacha) subaii Hausdorf, 2000 represented as Monacha subaii Hausdorf, 2000 (original description)
Monacha (Monacha) syriaca (Ehrenberg, 1831) accepted as Monacha syriaca (Ehrenberg, 1831) (additional source)
Monacha (Monacha) venusta L. Pintér, 1969 represented as Monacha venusta L. Pintér, 1969 (additional source)
Monacha (Paratheba) ascania Hausdorf, 2000 accepted as Monacha ascania Hausdorf, 2000 (original description)
Monacha (Paratheba) badia Hausdorf, 2000 accepted as Monacha badia Hausdorf, 2000 (original description)
Monacha (Paratheba) bithynica Hausdorf, 2000 accepted as Monacha bithynica Hausdorf, 2000 (original description)
Monacha (Paratheba) depressior Hausdorf, 2000 represented as Monacha depressior Hausdorf, 2000 (original description)
Monacha (Paratheba) elatior Hausdorf, 2000 represented as Monacha elatior Hausdorf, 2000 (original description)
Monacha (Paratheba) glareosa Hausdorf, 2000 accepted as Monacha glareosa Hausdorf, 2000 (original description)
Monacha (Paratheba) hemitricha (P. Hesse, 1914) represented as Monacha hemitricha (P. Hesse, 1914) (basis of record)
Monacha (Paratheba) leucozona Hausdorf, 2000 accepted as Monacha leucozona Hausdorf, 2000 (original description)
Monacha (Paratheba) magna Hausdorf, 2000 accepted as Monacha magna Hausdorf, 2000 (original description)
Monacha (Paratheba) margarita Hausdorf, 2000 accepted as Monacha margarita Hausdorf, 2000 (original description)
Monacha (Paratheba) pusilla Hausdorf, 2000 represented as Monacha pusilla Hausdorf, 2000 (original description)
Monacha (Paratheba) rothii (L. Pfeiffer, 1841) accepted as Monacha rothii (L. Pfeiffer, 1841) (basis of record)
Monacha (Paratheba) sedissana Hausdorf, 2000 represented as Monacha sedissana Hausdorf, 2000 (original description)
Monacha pilosa L. Pintér, 1969 accepted as Monacha ovularis (Bourguignat, 1855) (source of synonymy)
Theba olivieri var. haifaensis Pallary, 1939 accepted as Monacha syriaca (Ehrenberg, 1831) (source of synonymy)