Achoerus Beklemischev, 1914 (basis of record)
Achoerus pachycaudatus Dörjes, 1968 (basis of record)
Acmostomum Schmarda, 1859 (basis of record)
Acmostomum dioicum Metschnikoff, 1865 (basis of record)
Acrorhynchides Strand, 1928 (basis of record)
Acrorhynchides caledonicus (Claperede, 1861) Strand, 1928 (basis of record)
Acrorhynchides robustus (Karling, 1931) Strand, 1928 (basis of record)
Acrumena Brunet, 1965 (basis of record)
Acrumena massiliensis Brunet, 1965 (basis of record)
Actinoposthia An der Lan, 1936 (basis of record)
Actinoposthia biaculeata Faubel, 1974 (basis of record)
Actinoposthia longa Faubel, 1976 (basis of record)
Actinoposthia pigmentea Faubel, 1976 (basis of record)
Aculeorhynchidae Schilke, 1969 (basis of record)
Aculeorhynchus Schilke, 1969 (basis of record)
Aculeorhynchus glandulis Schilke, 1969 (basis of record)
Adenocauda Dörjes, 1968 (basis of record)
Adenocauda helgolandica Dörjes, 1968 (basis of record)
Adenopea Antonius, 1968 (basis of record)
Adenopea chuni (Brauner, 1920) (basis of record)
Adenopea illardata Löhner & Micoletzky, 1911 (basis of record)
Adenopharynx Ehlers, 1972 (basis of record)
Adenopharynx mitrabursalis Ehlers, 1972 (basis of record)
Adenorhynchus Meixner, 1938 (basis of record)
Adenorhynchus balticus Meixner, 1938 (basis of record)
Afronta Hyman, 1944 (basis of record)
Afronta rubra Faubel, 1976 (basis of record)
Alexlutheria Karling, 1956 (basis of record)
Alexlutheria acrosiphoniae Karling, 1956 (basis of record)
Allostoma Beneden, 1861 (basis of record)
Allostoma catinosum (Beklemischev, 1927) Mack Fira, 1974 (basis of record)
Allostoma neostiliferum Karling, 1993 (basis of record)
Allostoma pallidum Beneden, 1861 (basis of record)
Allostoma uterinum (Westblad, 1952) (basis of record)
Alluna Faubel & Regier, 1983 (basis of record)
Alluna sublitoralis Faubel & Regier, 1983 (basis of record)
Amphirhynchus Schilke, 1970 (basis of record)
Amphirhynchus caudatus Schilke, 1970 (basis of record)
Amphiscolops Graff, 1904 (basis of record)
Amphiscolops castellonensis Steinböck, 1954 (basis of record)
Amphiscolops cinereus (Graff, 1874) (basis of record)
Amphiscolops gerundensis Steinböck, 1954 (basis of record)
Amphiscolops mosaicus Kozloff, 1998 (basis of record)
Amphiscolops zeii Riedl, 1956 (basis of record)
Ancistrorhynchus L'Hardy, 1963 (basis of record)
Ancistrorhynchus ischnurus L'Hardy, 1963 (basis of record)
Annulorhynchus Karling, 1956 (basis of record)
Annulorhynchus adriaticus Karling, 1956 (basis of record)
Anoplodiera Westblad, 1930 (basis of record)
Anoplodiera voluta Westblad, 1930 (basis of record)
Anoplodiopsis Westblad, 1953 (basis of record)
Anoplodiopsis gracilis (Wahl, 1906) Westblad, 1953 (basis of record)
Anoplodium Schneider, 1858 (basis of record)
Anoplodium chirodotae Sabussow, 1900 (basis of record)
Anoplodium graffi Monticelli, 1892 (basis of record)
Anoplodium stichopi Bock, 1925 (basis of record)
Anthopharynx Karling, 1940 (basis of record)
Anthopharynx sacculipenis Ehlers, 1972 (basis of record)
Anthopharynx vaginatus Karling, 1940 (basis of record)
Antigonaria Dörjes, 1968 (basis of record)
Antigonaria arenaria Dörjes, 1968 (basis of record)
Antigonariidae Dörjes, 1968 (basis of record)
Antroposthia Faubel, 1974 (basis of record)
Antroposthia axi Faubel, 1974 (basis of record)
Antroposthia unipora Faubel, 1974 (basis of record)
Antroposthiidae Faubel, 1976 (basis of record)
Aphanostoma Ørsted, 1845 (basis of record)
Aphanostoma adherens Meixner, 1938 (basis of record)
Aphanostoma album Dörjes, 1968 (basis of record)
Aphanostoma cavernosum Meixner, 1938 (basis of record)
Aphanostoma elegans Jensen, 1878 (basis of record)
Aphanostoma fuscum Meixner, 1938 (basis of record)
Aphanostoma virescens Ørsted, 1845 (basis of record)
Archactinoposthia Dörjes, 1968 (basis of record)
Archactinoposthia pelophila Dörjes, 1968 (basis of record)
Archimonotresis Meixner, 1938 (basis of record)
Archimonotresis limophila Meixner, 1938 (basis of record)
Archocelis Dörjes, 1968 (basis of record)
Astrotorhynchus Graff, 1905 (basis of record)
Astrotorhynchus bifidus (McIntosh, 1874) Graff, 1905 (basis of record)
Atriofronta Dörjes, 1968 (basis of record)
Atriofronta polyvacuola Dörjes, 1968 (basis of record)
Aulopharynx Ehlers, 1972 (additional source)
Aulopharynx aestuarius Ehlers, 1972 (basis of record)
Austrorhynchus Karling, 1952 (basis of record)
Austrorhynchus bruneti Karling, 1977 (basis of record)
Austrorhynchus karlingi Brunet, 1965 (basis of record)
Austrorhynchus scoparius Brunet, 1965 (basis of record)
Avagina Leiper, 1902 (basis of record)
Avagina glandulifera Westblad, 1953 (basis of record)
Avagina incola Leiper, 1902 (basis of record)
Avagina sublitoralis Faubel, 1976 (basis of record)
Axiutelga Karling, 1980 (basis of record)
Axiutelga aculeata (Ax, 1959) Karling, 1980 (basis of record)
Baicalellia Nasonov, 1930 (basis of record)
Baicalellia brevituba (Luther, 1918) Nasonov, 1930 (basis of record)
Baicalellia subsalina Ax, 1954 (basis of record)
Balgetia Luther, 1962 (basis of record)
Balgetia hyalina Karling, 1962 (basis of record)
Balgetia semicirculifera Karling, 1962 (basis of record)