Acrorhynchides robustus (Karling, 1931) Strand, 1928 (additional source)
Alexlutheria psammophila Ax, 2008 (original description)
Anthopharynx sacculipenis Ehlers, 1972 (additional source)
Axiutelga aculeata (Ax, 1959) Karling, 1980 (additional source)
Baicalellia anchoragensis Ax & Armonies, 1990 (additional source)
Baicalellia brevituba (Luther, 1918) Nasonov, 1930 (additional source)
Baicalellia canadensis Ax & Armonies, 1987 (additional source)
Baicalellia rectis Ax, 2008 (original description)
Balgetia semicirculifera Karling, 1962 (additional source)
Baltoplana magna Karling, 1949 (additional source)
Baltoplana valkanovi Ax, 1959 (additional source)
Beauchampiola canadiana Ax, 2008 (original description)
Beauchampiola mackfirae Ax, 2008 (original description)
Beklemischeviella angustior Luther, 1943 (additional source)
Beklemischeviella contorta (Beklemischev, 1927) Luther, 1943 (additional source)
Brederveldia van der Velde & van de Winkel, 1975 (additional source)
Brederveldia bidentata Van Der Velde & Van De Winkel, 1975 (additional source)
Bresslauilla relicta Reisinger, 1929 (additional source)
Brinkmanniella macrostomoides Luther, 1948 (additional source)
Brunetia camarguensis (Brunet, 1965) Karling, 1980 (additional source)
Byrsophlebs dubia (Ax, 1956) Karling, 1985 (additional source)
Byrsophlebs simplex (Ax, 1959) Karling, 1985 (additional source)
Carcharodorhynchus subterraneus Meixner, 1938 (additional source)
Ceratopera falcata (Ax, 1953) Van Steenkiste & Leander, 2018 (additional source)
Ceratopera falcata falcata (Ax, 1953) Van Steenkiste & Leander, 2018 (additional source)
Ceratopera falcata valida (Ax, 1977) Van Steenkiste & Leander, 2018 (additional source)
Cheliplana deverticula Ax, 2008 (additional source)
Cheliplana deverticula Ax, 2008 (original description)
Cheliplana euxeinos Ax, 1959 (additional source)
Cheliplana setosa Evdonin, 1971 (additional source)
Cheliplana stylifera Karling, 1949 (additional source)
Cheliplana vestibularis de Beauchamp, 1927 (additional source)
Chlamydorhynchus evekuniensis Evdonin, 1977 (additional source)
Cicerina brevicirrus Meixner, 1928 (additional source)
Cicerina eucentrota Ax, 1959 (additional source)
Cicerina tetradactyla Giard, 1904 (additional source)
Clyporhynchus monolentis Karling, 1947 (additional source)
Coronhelmis conspicuus Ax, 1994 (additional source)
Coronhelmis exiguus Ax, 1994 (additional source)
Coronhelmis inornatus Ehlers, 1974 (additional source)
Coronhelmis multispinosus Luther, 1948 (additional source)
Coronhelmis noerrevangi Ax, 1994 (additional source)
Coronhelmis subtilis Ax, 2008 (original description)
Coronhelmis tripartitus Ehlers, 1974 (additional source)
Coronhelmis urna Ax, 1954 (additional source)
Cystiplana paradoxa Karling, 1964 (additional source)
Diascorhynchus caligatus Ax, 1959 (additional source)
Diascorhynchus lappvikensis Karling, 1963 (additional source)
Diascorhynchus serpens Karling, 1949 (additional source)
Djeziraia euxinica (Mack-Fira, 1971) Schockaert, 1982 (additional source)
Duplacrorhynchus major Schockaert & Karling, 1970 (additional source)
Eldenia Ax, 2008 (original description)
Eldenia reducta Ax, 2008 (original description)
Gieysztoria expeditoides Luther, 1955 (status source)
Gieysztoria maritima Luther, 1955 (status source)
Gnathorhynchus conocaudatus Meixner, 1929 (additional source)
Gyratrix hermaphroditus Ehrenberg, 1831 (additional source)
Halammovortex promacropharynx Ax, 2008 (original description)
Halammovortex pseudonigrifrons Ax, 2008 (original description)
Halammovortex supranigrifrons Ax, 2008 (original description)
Haloplanella carolinensis Ax, 2008 (original description)
Haloplanella obtusituba Luther, 1946 (additional source)
Haplovejdovskya subterranea Ax, 1954 (additional source)
Hartogia pontica Mack-Fira, 1968 (additional source)
Itaipusa karlingi Mack-Fira, 1968 (additional source)
Kirgisella forcipata Beklemischev, 1927 (original description)
Lutheriella diplostyla Hartog, 1966 (additional source)
Maehrenthalia americana Ax & Armonies, 1990 (additional source)
Neognathorhynchus lobatus (Ax, 1952) Karling, 1956 (additional source)
Odontorhynchus lonchiferus Karling, 1947 (additional source)
Palladia Evdonin, 1977 (additional source)
Palladia nigrescens (Evdonin, 1971) Evdonin, 1977 (additional source)
Paracicerina maristoi Karling, 1952 (additional source)
Paramesostoma neapolitanum (Graff, 1882) Attems, 1896 (additional source)
Parautelga bilioi Karling, 1964 (additional source)
Phonorhynchoides flagellatus Beklemischev, 1927 (additional source)
Phonorhynchoides japonicus Ax, 2008 (original description)
Phonorhynchopsis haegheni (Artois & Schockaert, 2001) Willems & Artois, 2017 (additional source)
Phonorhynchus bitubatus Meixner, 1938 (additional source)
Phonorhynchus laevitubus Ax, 2008 (original description)
Phonorhynchus pernix Ax, 1959 (additional source)
Placorhynchus dimorphis Karling, 1947 (additional source)
Placorhynchus echinulatus Karling, 1947 (additional source)
Placorhynchus magnaspina Ax, 2008 (original description)
Placorhynchus octaculeatus Karling, 1931 (additional source)
Placorhynchus pacificus Karling, 1989 (additional source)
Placorhynchus paratetraculeatus Ax & Armonies, 1990 (additional source)
Placorhynchus separatus Ax, 2008 (original description)
Placorhynchus tetraculeatus Armonies & Hellwig, 1987 (additional source)
Pogaina alaskana Ax & Armonies, 1990 (additional source)
Pogaina japonica Ax, 2008 (original description)
Pogaina kinnei Ax, 1970 (additional source)
Pogaina oncostylis Ax & Armonies, 1987 (additional source)
Pogaina scypha Ax, 2008 (original description)
Polycystis naegelii Kölliker, 1845 (additional source)
Pontaralia relicta (Beklemischev, 1927) Mack-Fira, 1968 (additional source)
Prognathorhynchus campylostylus Karling, 1947 (additional source)
Prognathorhynchus dividibulbosus Ax & Armonies, 1990 (additional source)
Progyrator mamertinus (Graff, 1874) Reisinger, 1926 (additional source)
Promesostoma balticum Luther, 1918 (additional source)