Oxychilus majori C.A. Westerlund, 1886 Italy
Mediterranea mariensis E. Gittenberger, 2008 Greece, Peloponnesus7,5 mm
Oxychilus mavromoustakisi (F. Haas, 1934) Cyprus
Oxychilus mendicus (FOSSIL) (Slavík, 1869 †) Czech Republic, Chomutov3,6 mm
Oxychilus menkhorsti F. Riedel, 1995 N Turkey: Vilayet Giresun
Ortizius mercadali L. Gasull, 1970 Spain, Alicante
Oxychilus meridionalis M. Paulucci, 1881 Italy
Drouetia miceui Frias Martins, 1989 Azores
Oxychilus miguelinus L. Pfeiffer, 1856 Azores
Mediterranea montivaga M. von Kimakowicz, 1890 Romania
Oxychilus mortilleti L. Pfeiffer, 1859 Switzerland8,1 mm
Oxychilus moussoni W. Kobelt, 1878 Turkey
Mediterranea mylonasi F. Riedel, 1983 Greece
Daudebardia naegelei O. Böttger, 1905 Turkey
Cibania nana (A.V. Grossu, 1969) Romania
Oxychilus nautiliformis (A.J. Wagner, 1914) Bosnia and Herzegovina
Oxychilus nautilus F. Riedel, 1994 Turkey, Rize
Ortizius navarricus (J.R. Bourguignat, 1870) Spain, Navarra
Ortizius navarricus helveticus (J. Blum, 1881) Switzerland
Godwinia newcombi (L.A. Reeve, 1854) Hawaii
Daudebardia nivea A.A. Schileyko, 1988 Caucasus
Oxychilus nordsiecki F. Riedel, 1999 SE Turkey: Vilayet Hatay
Hyalocornea nortoni (P. Calcara, 1843) Italy
Oxychilus obscuratus (C. Porro, 1841) France, Corse Island
Alzonula oglasicola F.L. Giusti, 1968 Italy, Montecristo Island
Oxychilus oppressus (R.J. Shuttleworth, 1877) Italy, Sardinia Island
Oxychilus ornatus F. Riedel, 1964 Azores
Oxychilus oscari M. von Kimakowicz, 1883 Romania
Longiphallus oschtenicus (O. Böttger, 1888) Caucasus
Oxychilus paphlagonicus F. Riedel, 1993 Turkey, Zonguldak
Daudebardia parvula A.V. Grossu, 1969 Romania
Oxychilus paulucciae C. De Stefani, 1883 Italy
Ortizius perspectivus (W. Kobelt, 1881) Italy
Mediterranea pieperi F. Riedel, 1973 Greece
Oxychilus pilula (C.A. Westerlund in M. Paulucci, 1886) Italy, Capraia Island