| Nominal Species (n = 127) | Present allocation (n = 116) | Ref. |
|---|---|---|
| Loxosoma agile Nielsen, 1964 | Loxosoma agile | 1200 |
| Loxosoma akkeshiense Yamada, 1956 | Loxosomella akkeshiensis | 1560 |
| Loxosoma alata Barrois, 1877 | Loxosomella alata | 1560 |
| Loxocorone allax Iseto, 2002 | Loxocorone allax | 421 |
| Loxosoma ampullae Konno, 1976 | Loxosoma ampullae | 1051 |
| Cyclatella annelidicola van Beneden & Hesse, 1864 | Loxosoma annelidicola | 1560 |
| Loxosomella annulata Harmer, 1915 | Loxomitra annulata | 421 |
| Loxosoma annulatum Harmer, 1915 | Loxomitra annulata | 421 |
| Loxosomella antarctica Franzen, 1973 | Loxosomella antarctica | 1560 |
| Loxosomella antedonis Mortensen, 1911 | Loxosomella antedonis | 429 |
| Loxosomella antis Krylova, 1885 | Loxosomella antis | 1560 |
| Loxosomella aripes Nielsen, 1964 | Loxosomella aripes | 429 |
| Loxosomella arvyae Bobin & Prenant, 1953 | Loxosomella atkinsae | 1560 |
| Loxosomella atkinsae Bobin & Prenant, 1953 | Loxosomella atkinsae | 3192 |
| Loxosoma axisadversum Konno, 1972 | Loxosoma axisadversum | 1051 |
| Loxosoma bifida Konno, 1972 | Loxosoma bifida | 1051 |
| Loxosomella bilocata Nielsen, 1966 | Loxosomella bilocata | 1560 |
| Loxosomella bocki Frantzen, 1967 | Loxosomella bocki | 1560 |
| Loxosomella bouxini Bobin & Prenant, 1953 | Loxosomella atkinsae | 1560 |
| Loxosomella brachystipes Franzen, 1973 | Loxosomella brachystipes | 1560 |
| Loxosoma breve Harmer, 1915 | Loxosoma breve | 1560 |
| Loxosomella brochobola Emschermann, 1993 | Loxocorone brochobola | 1197 |
| Loxosomella brucei Eggleston, 1965 | Loxosomella brucei | 429 |
| Loxosoma brumpti Nilus, 1909 | Loxosomella brumpti | 1560 |
| Loxosoma cingulata Kluge, 1946 | Loxosoma cingulata | 1560 |
| Loxosoma circulare Harmer, 1915 | Loxosomella circularis | 1560 |
| Loxosoma cirriferum Harmer, 1915 | Loxosomella cirrifera | 1560 |
| Loxosoma claparedei Bobin & Prenant, 1953 | Loxosoma claparedei | 1200 |
| Loxosoma claviforme Hincks, 1880 | Loxosomella claviformis | 1560 |
| Loxosoma cocciforme Harmer, 1915 | Loxosoma cocciforme | 1560 |
| Loxosoma cochlear Schmidt, 1876 | Loxosomella cochlear | 1560 |
| Loxosoma collumnodi Konno, 1976 | Loxosoma collumnodi | 1052 |
| Loxosomella compressa Nielsen & Ryland, 1961 | Loxosomella compressa | 429 |
| Loxosoma constrictans O'Donoghue, 1924 | Loxosomella constrictans | 1560 |
| Loxosoma crassicauda Salensky, 1877 | Loxosomella crassicauda | 1200 |
| Loxosoma crassicaude Salensky, 1877 | Loxosomella crassicauda | 1560 |
| Loxosomella criketae Nielsen, 1966 | Loxosomella criketae | 1560 |
| Loxosoma cubitus Konno, 1974 | Loxosoma cubitus | 1200 |
| Loxosomella cuenoti Bobin & Prenant, 1953 | Loxosomella atkinsae | 1560 |
| Loxosoma davenporti Nickerson, 1898 | Loxosoma davenporti | 1200 |
| Loxosoma difigurata Konno, 1972 | Loxosoma difigurata | 1051 |
| Loxosomella discopoda Nielsen & Ryland, 1961 | Loxosomella discopoda | 429 |
| Loxosomella ditadii Marcus & Marcus, 1968 | Loxosomella ditadii | 1560 |
| Loxosomella elegans Nielsen, 1964 | Loxosomella elegans | 429 |
| Loxosomella fagei Bobin & Prenant, 1953 | Loxosomella fagei | 429 |
| Loxosomella fauveli Bobin & Prenant, 1953 | Loxosomella fauveli | 429 |
| Loxosoma fishelsoni Bobin, 1970 | Loxosoma fishelsoni | 1200 |
| Loxosomella follicola Nielsen, 1966 | Loxosomella follicola | 1560 |
| Loxosomella fungiformis Bobin & Prenant, 1953 | Loxosomella atkinsae | 1560 |
| Loxosomella gautieri Bobin & Prenant, 1953 | Loxosomella gautieri | 1560 |
| Loxosomella glandulifera Franzén, 1962 | Loxosomella glandulifera | 429 |
| Loxosomella globosa Bobin & Prenant, 1953 | Loxosomella globosa | 1560 |
| Loxosoma harmeri Schultz, 1895 | Loxosomella harmeri | 1560 |
| Pedicellina hispida Ryland, 1965 | Pedicellina hispida | 429 |
| Loxosomella illota Nielsen, 1966 | Loxosomella illota | 1560 |
| Loxosoma infundibuliformis Kluge, 1946 | Loxosoma infundibuliformis | 1560 |
| Loxosoma isolata Salvini-Plawen, 1968 | Loxosoma isolata | 1200 |
| Loxosoma jaegersteni Nielsen, 1966 | Loxosoma jaegersteni | 1200 |
| Loxosoma kefersteinii Claperède, 1867 | Loxomitra kefersteinii | 1560 |
| Loxosomella kindai Krylova, 1985 | Loxosomella kindai | 1560 |
| Loxosoma lanchesteri Harmer, 1915 | Loxosoma lanchesteri | 1560 |
| Loxosoma leptochini Harmer, 1885 | Loxosomella leptoclini | 75097 |
| Loxosoma leptoclini Harmer, 1885 | Loxosomella leptoclini | 1560 |
| Loxosomella lineata Harmer, 1915 | Loxosomella lineata | 1560 |
| Loxocalyx lineatus Harmer, 1915 | Loxosomella lineata | 75097 |
| Loxosoma loricatum Harmer, 1915 | Loxosoma loricatum | 1560 |
| Loxosoma loxalina Assheton, 1912 | Loxosoma loxalina | 429 |
| Loxosomella macginitieorum Soule & Soule, 1965 | Loxosomella macginitieorum | 1560 |
| Loxosomella marsypos Nielsen & Ryland, 1961 | Loxosomella marsypos | 429 |
| Loxosomella mepse Marcus, 1957 | Loxosomella mepse | 1560 |
| Loxosoma minuta Osburn, 1912 | Loxosoma minuta | 1560 |
| Loxomitra mizugamaensis Iseto, 2002 | Loxomitra mizugamaensis | 420 |
| Loxosoma monensis Eggleston, 1965 | Loxosoma monensis | 429 |
| Loxosoma monilis Konno, 1973 | Loxosoma monilis | 1200 |
| Loxocalyx mortenseni Marcus, 1950 | Loxosomella mortenseni | 1560 |
| Loxosoma murmanica Nilus, 1909 | Loxosoma murmanica | 19 |
| Loxosomella museriensis Bobin, 1968 | Loxosomella museriensis | 1560 |
| Loxosoma neapolitanum Kowalewsky, 1866 | Loxosomella raja | 1560 |
| Loxosoma neopolinatum Kowalewsky, 1866 | Loxosomella neopolitanum | 1560 |
| Loxosoma nitschei Vigelius, 1882 | Loxosomella nitschei | 1560 |
| Loxosomella nordgaardi Ryland, 1961 | Loxosomella nordgaardi | 3192 |
| Loxosoma nung Nielsen, 1996 | Loxosoma nung | 1200 |
| Loxosoma obesum Atkins, 1932 | Loxosomella obesa | 1560 |
| Loxosoma okudai Yamada, 1956 | Loxosoma okudai | 1200 |
| Loxosomella olei Marcus, 1957 | Loxosomella olei | 1560 |
| Loxosomella ornata Nielsen, 1964 | Loxosomella ornata | 429 |
| Loxosoma pectinaricola Franzén, 1962 | Loxosoma pectinaricola | 429 |
| Loxomespilon perezi Bobin & Prenant, 1953 | Loxomespilon perezi | 429 |
| Loxosoma pes Schmidt, 1878 | Loxosomella pes | 1560 |
| Loxosoma phascolosomatum Vogt, 1876 | Loxosomella phascolosomata | 1560 |
| Loxosomella plakorticola Iseto, Sugiyama & Hirose, 2008 | Loxosomella plakorticola | 91360 |
| Loxosomella poculi Konno, 1977 | Loxosoma poculi | 1560 |
| Loxosomella polita Nielsen, 1964 | Loxosomella polita | 429 |
| Loxosomella pseudocompressa Konno, 1977 | Loxocorone pseudocompressa | 1054 |
| Loxosoma pusillum Harmer, 1915 | Loxosomella pusilla | 1560 |
| Loxosoma raja Schmidt, 1878 | Loxosomella raja | 1560 |
| Loxosoma rhodinicola Franzén, 1962 | Loxosoma rhodinicola | 429 |
| Loxosoma rotunda Kluge, 1946 | Loxosoma rotunda | 1560 |
| Loxosoma saltans Assheton, 1912 | Loxosoma saltans | 429 |
| Loxosoma sam Nielsen, 1996 | Loxosoma sam | 1200 |
| Loxosomella scaura Nielsen, 1964 | Loxosomella scaura | 4 |
| Loxosomella seiryoini Emschermann, 1993 | Loxosomella seiryoini | 1197 |
| Loxosoma shizugawaense Toriumi, 1949 | Loxosomella shizugawaensis | 1560 |
| Loxosoma significans Nielsen, 1964 | Loxosoma significans | 1200 |
| Loxosomella similis Nielsen, 1964 | Loxosomella similis | 429 |
| Loxosoma singulare Keferstein, 1862 | Loxosoma singulare | 429 |
| Loxosoma sluiteri Harmer, 1915 | Loxosoma sluiteri | 1560 |
| Loxosoma song Nielsen, 1996 | Loxosoma song | 1200 |
| Loxosoma spathula Nielsen, 1966 | Loxosoma spathula | 1200 |
| Loxosoma spiropedis Konno, 1972 | Loxosoma spiropedis | 1051 |
| Loxocalyx studiosorum Toriumi, 1951 | Loxosomella studiosora | 1560 |
| Loxosoma subsessile Harmer, 1915 | Loxosoma subsessile | 1560 |
| Loxocalyx teissieri Bobin & Prenant, 1953 | Loxosomella teissieri | 1560 |
| Loxosoma tethyae Salensky, 1877 | Loxosomella tethyae | 1560 |
| Loxostemma tetracheir Nielsen, 1966 | Loxosoma tetracheir | 1200 |
| Loxomitra tetraorganon Iseto, 2002 | Loxomitra tetraorganon | 421 |
| Loxosomella tonsoria Emschermann, 1993 | Loxosomella tonsoria | 1194 |
| Loxosomella triangularis Nielsen, 1966 | Loxosomella triangularis | 1560 |
| Loxosoma umeri Konno, 1976 | Loxosoma umeri | 1052 |
| Loxosomella varians Nielsen, 1964 | Loxosomella brachystipes | 1560 |
| Loxosomella varians Nielsen, 1964 | Loxosomella varians | 429 |
| Loxosoma vatilli Konno, 1977 | Loxosoma vatilli | 1200 |
| Loxosoma velatum Harmer, 1915 | Loxosomella velata | 1560 |
| Loxosomella vivipara Nielsen, 1966 | Loxosomella vivipara | 1560 |
| Pedicellina whiteleggi Johnston & Walker, 1917 | Pedicellina hispida | 1560 |
| Loxosomella worki Nielsen, 1966 | Loxosomella worki | 1560 |
| Loxosomella zima Marcus & Marcus, 1967 | Loxosomella zima | 1560 |