Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Divasibranchia Minichev & Starobogatov, 1975
       Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
         (Achatinid Sigmurethra)
           Suborder Sigmurethra Pilsbry, 1900 see Group Sigmurethra Pilsbry, 1900
             Superfamily Orthalicoidea Martens, 1860
               Family Urocoptidae Pilsbry, 1898 (1868), nom. inq.
                 Subfamily Urocoptinae Pilsbry, 1898 (1868)
                   01 Genus Urocoptis Beck, 1837
                   02 Genus Acrocoptis Jaume & de la Torre, 1972
                   03 Genus Allocoptis Thompson & Franz, 1976
                   04 Genus Amphicosmia Pilsbry & Vanatta, 1898
                   05 Genus Amphistemma Jaume & de la Torre, 1972
                   06 Genus Anoma Albers, 1850
                   07 Genus Apoma Beck, 1837
                   08 Genus Arangia Pilsbry & Vanatta, 1898
                   09 Genus Autocoptis Pilsbry, 1902
                   10 Genus Badiofaux Pilsbry, 1941
                   11 Genus Bialasmus Jaume & de la Torre, 1972
                   12 Genus Callocoptis Jaume & de la Torre, 1972
                   13 Genus Callonia Crosse & Fischer, 1870
                   14 Genus Capillacea Jaume & de la Torre, 1972
                   15 Genus Carcinostemma Jaume & de la Torre, 1972
                   16 Genus Centralia Jaume & de la Torre, 1972
                   17 Genus Cochlodinella Pilsbry & Vanatta, 1898
                   18 Genus Geminicoptis Jaume & de la Torre, 1972
                   19 Genus Gongylostoma Albers, 1850
                   20 Genus Gongylostomella Pilsbry, 1941
                   21 Genus Idiostemma Pilsbry & Vanatta, 1898
                   22 Genus Levistemma Jaume & de la Torre, 1972
                   23 Genus Liocallonia Pilsbry, 1902
                   24 Genus Liparotes Pilsbry, 1903
                   25 Genus Macroceramus Guilding, 1828
                   26 Genus Mychostoma Albers, 1850
                   27 Genus Nesocoptus Millard, 1996, orth. inval. see Genus Nesocoptis Pilsbry, 1941
                   28 Genus Nodulia Jaume & de la Torre, 1972
                   29 Genus Organocoptis Jaume & de la Torre, 1972
                   30 Genus Paracallonia Pilsbry, 1903
                   31 Genus Pfeiffericoptis Jaume & de la Torre, 1972
                   32 Genus Pineria Poey, 1854
                   33 Genus Planostemma Jaume & de la Torre, 1972
                   34 Genus Pleurostemma Pilsbry, 1941
                   35 Genus Poecilocoptis Pilsbry, 1941
                   36 Genus Poeycoptis Jaume & de la Torre, 1972
                   37 Genus Pycnoptychia Pilsbry & Vanatta, 1898
                   38 Genus Sagracoptis Jaume & de la Torre, 1972
                   39 Genus Sectilumen Pilsbry & Vanatta, 1898
                   40 Genus Spirostemma Pilsbry & Vanatta, 1898
                   41 Genus Steatocoptus Vaught, 1989, orth. inval. see Genus Steatocoptis Pilsbry, 1941
                   42 Genus Strophina Mörch, 1852
                   43 Genus Teneria Jaume & de la Torre, 1972
                   44 Genus Tenuistemma Jaume & de la Torre, 1972
                   45 Genus Tomelasmus Pilsbry & Vanatta, 1898
                   46 Genus Trilamellaxis Jaume & de la Torre, 1972
                   47 Genus Uncinicoptis Jaume & de la Torre, 1972