| Nominal Species (n = 84) | Present allocation (n = 83) | Ref. |
|---|---|---|
| Cylindrolaimus abnormis Allgen, 1933 | Cylindrolaimus abnormis | 19 |
| Southerniella allometrica Vitiello, 1971 | Southerniella allometrica | 19 |
| Tarvaia angusta Gerlach, 1953 | Tarvaia angusta | 19 |
| Parachromagasteriella annelifera Wieser, 1956 | Parachromagasteriella annelifera | 19 |
| Odontophora axonolaimoides Timm | Odontophora axonolaimoides | 19 |
| Cylindrolaimus bambus Andrassy, 1968 | Cylindrolaimus bambus | 19 |
| Cylindrolaimus baradlanus Andrassy, 1959 | Cylindrolaimus baradlanus | 19 |
| Araeolaimus boomerangifer Wieser, 1959 | Araeolaimus boomerangifer | 19 |
| Araeolaimoides botula Wieser, 1959 | Diplopeltula botula | 75097 |
| Striatodora brevibucca Timm, 1961 | Striatodora brevibucca | 19 |
| Parachromagasteriella brevicauda Stekhoven, 1942 | Southerniella brevicauda | 75097 |
| Diplopeltula breviceps Gerlach, 1950 | Diplopeltula breviceps | 19 |
| Diplopeltis californicus Allgen, 1947 | Diplopeltis californicus | 19 |
| Pseudolella cephalata Cobb, 1920 | Pseudolella cephalata | 19 |
| Enoplus cirrhatus Eberth, 1863 | Diplopeltis cirrhatus | 75097 |
| Cylindrolaimus communis De Man, 1880 | Cylindrolaimus communis | 19 |
| Parachromagasteriella cylindricauda Allgen, 1933 | Parachromagasteriella cylindricauda | 19 |
| Campylaimus cylindricus Gerlach, 1956 | Campylaimus cylindricus | 19 |
| Araeolaimus cylindrolaimus Chitwood, 1936 | Southerniella cylindrolaimus | 75097 |
| Axonolaimus demani De Coninck & Stekhoven, 1933 | Axonolaimus demani | 19 |
| Axonolaimus diegoensis Allgen, 1947 | Axonolaimus diegoensis | 19 |
| Tarvaia donsi Allgen, 1934 | Tarvaia donsi | 19 |
| Araeolaimus elegans De Man, 1888 | Araeolaimus elegans | 19 |
| Monhystera elongata Butschli, 1874 | Ascolaimus elongatus | 75097 |
| Polylaimium exile Cobb, 1920 | Polylaimium exile | 19 |
| Chitwoodia falcata Gerlach, 1956 | Chitwoodia falcata | 19 |
| Odontophora falcifera Ott, 1972 | Odontophora falcifera | 19 |
| Synodontium fecundum Cobb, 1920 | Synodontium fecundum | 19 |
| Cylindrolaimus filicaudatus Allgen, 1933 | Cylindrolaimus filicaudatus | 19 |
| Axonolaimus filipjevi Timm, 1952 | Axonolaimus filipjevi | 19 |
| Colpurella fontinalis Cobb, 1919 | Colpurella fontinalis | 19 |
| Campylaimus gerlachi Timm, 1961 | Campylaimus gerlachi | 19 |
| Pseudolella granulifera Cabb, 1920 | Pseudolella granulifera | 19 |
| Axonolaimus hexapilus Wieser & Hopper, 1967 | Axonolaimus hexapilus | 19 |
| Campylaimus inaequalis Cobb, 1920 | Campylaimus inaequalis | 19 |
| Diplopeltis incisa Southern, 1914 | Diplopeltula incisa | 75097 |
| Pseudolella intermedia Gerlach, 1957 | Pseudolella intermedia | 19 |
| Axonolaimus interrogativus Wieser, 1959 | Axonolaimus interrogativus | 19 |
| Campylaimus lefeverei Gerlach, 1956 | Campylaimus lefeverei | 19 |
| Axonolaimus leptosoma Allgen, 1951 | Axonolaimus leptosoma | 19 |
| Odontophora lituifera Wieser, 1959 | Odontophora lituifera | 19 |
| Margonema longisetosum Allgen, 1935 | Margonema longisetosum | 19 |
| Domorganus macronephriticus Goodey, 1947 | Domorganus macronephriticus | 19 |
| Odontophora marina Butschli, 1874 | Odontophora marina | 19 |
| Parodontophora marina Zhang, 1991 | Parodontophora marina | 3477 |
| Cylindrolaimus melancholicus De Man, 1880 | Cylindrolaimus melancholicus | 19 |
| Chitwoodia menora Gerlach, 1956 | Chitwoodia menora | 19 |
| Odontophora mercurialis Wieser, 1959 | Odontophora mercurialis | 19 |
| Araeolaimus microphthalmus De Man, 1893 | Araeolaimoides microphthalmus | 75097 |
| Campylaimus minor Timm, 1961 | Campylaimus minor | 19 |
| Campylaimus mirus Gerlach, 1950 | Campylaimus mirus | 19 |
| Cylindrolaimus monhystera Schneider, 1937 | Cylindrolaimus monhystera | 19 |
| Synodontium monhystera Gerlach, 1953 | Synodontium monhystera | 19 |
| Odontophora mucronata Wieser, 1959 | Odontophora mucronata | 19 |
| Alaimonema multicinctum Cobb, 1920 | Alaimonema multicinctum | 19 |
| Synodontium narragansettense Hopper, 1962 | Synodontium narragansettense | 19 |
| Pseudolella norvegica Allgen, 1947 | Pseudolella norvegica | 19 |
| Cylindrolaimus obtusus Cobb, 1916 | Cylindrolaimus obtusus | 19 |
| Axonolaimus odontophoroides Chitwood, 1936 | Axonolaimus odontophoroides | 19 |
| Domorganus oligochaetophilus Thun, 1967 | Domorganus oligochaetophilus | 19 |
| Diplopeltis ornatus Gerlach, 1950 | Diplopeltoides ornatus | 75097 |
| Metaraeolaimoides oxystoma De Coninck, 1936 | Metaraeolaimoides oxystoma | 19 |
| Apodontium pacificum Cobb, 1920 | Apodontium pacificum | 19 |
| Axonolaimus paraponticus Hopper, 1963 | Axonolaimus paraponticus | 19 |
| Odontophora peritricha Wieser, 1956 | Odontophora peritricha | 19 |
| Pseudaraeolaimus perplexus Chitwood, 1951 | Pseudaraeolaimus perplexus | 19 |
| Axonolaimus procerus Gerlach, 1957 | Synodontoides procerus | 75097 |
| Cylindrolaimus procerus Andrassy, 1968 | Cylindrolaimus procerus | 19 |
| Coinonema punctatum Cobb, 1920 | Araeolaimus elegans | 75097 |
| Linolaimus quadricoma Cobb, 1933 | Linolaimus quadricoma | 19 |
| Margonema ringens Cobb, 1920 | Margonema ringens | 19 |
| Synodontium sansingi Hopper, 1963 | Synodontium sansingi | 19 |
| Odontophora setosoides Timm, 1952 | Odontophora setosoides | 19 |
| Southerniella simplex Allgen, 1932 | Southerniella simplex | 19 |
| Anplostoma spinosum Butschli, 1874 | Axonolaimus spinosus | 75097 |
| Axonolaimus steineri Timm, 1952 | Axonolaimus steineri | 19 |
| Axonolaimus stomamilivus Crites, 1961 | Axonolaimus stomamilivus | 19 |
| Axonolaimus subsimilis Chitwood, 1936 | Axonolaimus subsimilis | 19 |
| Parascolaimus tau Wieser, 1959 | Parascolaimus tau | 19 |
| Axonolaimus tenuicollis Allgen, 1947 | Axonolaimus tenuicollis | 19 |
| Araeolaimus texianus Chitwood, 1951 | Araeolaimus texianus | 19 |
| Parascolaimus ungulatus Wieser, 1959 | Parascolaimus ungulatus | 19 |
| Odontophora variabilis Wieser & Hopper, 1967 | Odontophora variabilis | 19 |
| Southerniella youngi Murphy, 1964 | Southerniella youngi | 19 |