Acanthopharynx micans (Eberth, 1863) Marion, 1870 (additional source)
Acanthopharynx perarmata Marion, 1870 (additional source)
Acanthopharynx rigida Schuurmans Stekhoven, 1950 (original description)
Acanthopharynx seticauda Schuurmans Stekhoven, 1950 accepted as Acanthopharynx micans (Eberth, 1863) Marion, 1870 (original description)
Anoncholaimus Schuurmans Stekhoven, 1950 accepted as Bradybucca Schuurmans Stekhoven, 1956 (original description)
Anoncholaimus rhopalurus Schuurmans Stekhoven, 1950 accepted as Bradybucca rhopalura (Schuurmans Stekhoven, 1950) Schuurmans Stekhoven, 1956 (original description)
Anticoma acuminata (Eberth, 1863) Bastian, 1865 (redescription)
Araeolaimoides demani Schuurmans Stekhoven, 1950 accepted as Araeolaimus demani (Schuurmans Stekhoven, 1950) Wieser, 1956 (original description)
Araeolaimus demani (Schuurmans Stekhoven, 1950) Wieser, 1956 (ecology source)
Astomonema brevicauda (Shuurmans Stekhoven, 1950) (Vitiello, 1971) Vidakovik & Boucher, 1987 (original description)
Axonolaimus arcuatus Schuurmans Stekhoven, 1950 (original description)
Calyptronema eberthi (de Man, 1876) Schuurmans Stekhoven, 1950 (new combination reference)
Ceramonema chitwoodi De Coninck, 1942 (additional source)
Ceramonema undulatum De Coninck, 1942 (additional source)
Chromaspirina paucispira Schuurmans Stekhoven, 1950 (original description)
Cobbionema cylindrilaimoides Schuurmans Stekhoven, 1950 (original description)
Comesoma dubium Filipjev, 1919 accepted as Paracomesoma dubium (Filipjev, 1918) Schuurmans Stekhoven, 1950 (taxonomy source)
Comesoma punctata Shuurmans Stekhoven, 1950 accepted as Metacomesoma punctatum (Schuurmans Stekhoven, 1950) Wieser, 1954 (original description)
Crenopharynx paralepturus (Schuurmans Stekhoven, 1950) Wieser, 1953 (ecology source)
Croconema longiseta Schuurmans Stekhoven, 1950 (original description)
Cyatholaimus chitwoodi Schuurmans Stekhoven, 1950 (original description)
Cyatholaimus gracilis (Eberth, 1863) Bastian, 1865 (additional source)
Cyatholaimus paucispira Schuurmans Stekhoven, 1950 (original description)
Daptonema angulatum (Schuurmans Stekhoven, 1950) Lorenzen, 1977 (ecology source)
Daptonema angulatus (Schuurmans Stekhoven, 1950) accepted as Daptonema angulatum (Schuurmans Stekhoven, 1950) Lorenzen, 1977 (original description)
Desmodora coniseta (Schuurmans Stekhoven, 1950) (ecology source)
Desmodora pontica Filipjev, 1922 (additional source)
Dichromadora punctata Schuurmans Stekhoven jr, 1950 (original description)
Diplopeltis cirrhatus (Eberth, 1863) Cobb, 1891 (additional source)
Draconema ponticum Filipjev, 1918 accepted as Draconema ophicephalum (Claparède, 1863) Filipjev, 1918 (additional source)
Eleutherolaimus duplicatus Schuurmans Stekhoven, 1950 (original description)
Enoploides amphioxi Filipjev, 1918 (additional source)
Enoploides italicus (Steiner, 1921) Filipjev, 1918 (additional source)
Enoplus meridionalis Steiner, 1921 (additional source)
Enoplus stekhoveni Wieser, 1953 accepted as Enoplus meridionalis Steiner, 1921 (taxonomy source)
Enoplus striatus Eberth, 1863 (additional source)
Euchromadora striata (Eberth, 1863) de Man, 1886 (additional source)
Eurystomina stenolaimoides Wieser, 1953 (original description)
Filipjeva mediterranea Schuurmans Stekhoven, 1950 (original description)
Filipjevia mediterranea Schuurmans Stekhoven, 1950 accepted as Filipjeva mediterranea Schuurmans Stekhoven, 1950 (original description)
Galeonema longicauda Schuurmans Stekhoven, 1950 accepted as Phanodermopsis longicauda (Schuurmans Stekhoven, 1950) Gerlach & Riemann, 1974 (original description)
Halalaimus gracilis de Man, 1888 (additional source)
Laxus contortus Cobb, 1894 (additional source)
Leptosomatum bacillatum (Eberth, 1863) Bastian, 1865 accepted as Leptosomatum sabangense Steiner, 1915 (redescription)
Leptosomatum filipjevi Schuurmans Stekhoven, 1950 (original description)
Leptosomatum sabangense Steiner, 1915 (additional source)
Linhomoella tenuicaudata Schuurmans Stekhoven, 1950 accepted as Cervonema tenuicaudatum (Schuurmans Stekhoven, 1950) Wieser, 1954 (original description)
Linhomoeus brevibucca Schuurmans Stekhoven, 1950 (original description)
Linhomoeus pilosus (Schuurmans Stekhoven, 1950) Wieser, 1956 (original description)
Longicyatholaimus effilatis Schuurmans Stekhoven, 1950 nec 1946 accepted as Longicyatholaimus stekhoveni (Schuurmans Stekhoven, 1950 nec 1946) Wieser, 1954 accepted as Marilynia stekhoveni (Wieser, 1954) Hopper, 1972 accepted as Marylynnia stekhoveni (Wieser, 1954) Hopper, 1977 (original description)
Longicyatholaimus filicaudatus Schuurmans Stekhoven, 1950 (original description)
Marylynnia stekhoveni (Wieser, 1954) Hopper, 1977 (original description)
Mesacanthion tricuspis Schuurmans-Stekhoven, 1950 accepted as Paramesacanthion tricuspis (Schuurmans Stekhoven, 1950) Wieser, 1953 (original description)
Metachoniolaimus Schuurmans Stekhoven, 1950 accepted as Metacyatholaimus Stekhoven, 1942 (original description)
Metachoniolaimus cylindribucca Schuurmans Stekhoven, 1950 accepted as Metacyatholaimus cylindribucca (Schuurmans Stekhoven, 1950) Wieser, 1954 (original description)
Metachoniolaimus pustulosus Schuurmans Stekhoven, 1950 accepted as Metacyatholaimus hirschi Schuurmans Stekhoven, 1942 (original description)
Metachromadora longilaima Schuurmans Stekhoven, 1950 accepted as Pseudometachromadora longilaima (Schuurmans Stekhoven, 1950) Timm, 1954 (original description)
Metachromadora papillata Schuurmans Stekhoven, 1950 accepted as Pseudometachromadora papillata (Schuurmans Stekhoven, 1950) timm, 1954 (original description)
Metadasynemella macrophalla De Coninck, 1942 (additional source)
Metadesmolaimus coronatus Schuurmans Stekhoven, 1950 accepted as Pseudosteineria coronata (Gerlach, 1955) Wieser, 1959 (original description)
Metalinhomoeus breviseta Schuurmans Stekhoven, 1950 (original description)
Metalinhomoeus obtusicaudatus Schuurmans Stekhoven, 1950 accepted as Synonema obtusicaudatum (de Man, 1889) Gerlach, 1963 (original description)
Metoncholaimus demani (Zur Strassen, 1894) Filipjev, 1918 (additional source)
Monhystera capitata Schuurmans Stekhoven, 1942 (additional source)
Monhystera gracilicauda Schuurmans Stekhoven, 1950 (original description)
Monhystera heterolaima Schuurmans Stekhoven, 1950 (original description)
Monhystera parva (Bastian, 1865) Butschli, 1874 accepted as Thalassomonhystera parva (Bastian, 1865) Jacobs, 1987 (additional source)
Monhystera tenuis Schuurmans Stekhoven, 1950 accepted as Thalassomonhystera tenuis (Schuurmans Stekhoven, 1950) (additional source)
Monhystera tenuis Schuurmans Stekhoven, 1950 accepted as Thalassomonhystera tenuis (Schuurmans Stekhoven, 1950) (original description)
Monoposthia mediterranea Schuurmans Stekhoven, 1950 accepted as Monoposthia metamediterranea Gerlach & Riemann, 1973 accepted as Monoposthia costata mediterranea Schulz, 1935 accepted as Monoposthia costata (Bastian, 1865) de Man, 1889 (original description)
Odontophora breviseta Schuurmans Stekhoven, 1950 accepted as Parodontophora breviseta (Schuurmans Stekhoven, 1950) (original description)
Odontophora paratenuicaudata Allgén, 1942 (additional source)
Odontophora quadristicha Schuurmans Stekhoven, 1950 accepted as Parodontophora quadristicha (Schuurmans Stekhoven, 1950) Timm, 1963 (original description)
Omicronema truncatum Schuurmans Stekhoven, 1950 (original description)
Oncholaimus viridis Bastian, 1865 (additional source)
Oxyonchus dubius (Filipjev, 1918) De Coninck & Schuurmans Stekhoven, 1933 (additional source)
Paracanthonchus angulatus (Schuurmans Stekhoven, 1950) Wieser, 1954 (original description)
Paracanthonchus breviseta (Schuurmans Stekhoven, 1950) Hope & Murphy, 1972 (additional source)
Paracanthonchus micoletzkyi Schuurmans Stekhoven, 1943 sensu Schuurmans Stekhoven, 1950 accepted as Paracanthonchus stekhoveni Wieser, 1954 (original description)
Paracanthonchus steueri (Micoletzky, 1922) Micoletzky, 1924 (additional source)
Paracanthonchus uniformis (Schuurmans Stekhoven, 1950) Wieser, 1954 (ecology source)
Parachromagasteriella conicauda Schuurmans Stekhoven, 1950 accepted as Southerniella conicauda (Schuurmans Stekhoven, 1950) Wieser, 1956 (original description)
Paracomesoma Schuurmans Stekhoven, 1950 (original description)
Paracomesoma coronata Schuurmans Stekhoven, 1950 accepted as Paracomesoma dubium (Filipjev, 1918) Schuurmans Stekhoven, 1950 (original description)
Paracomesoma dubium (Filipjev, 1918) Schuurmans Stekhoven, 1950 (new combination reference)
Paradesmodora Schuurmans Stekhoven, 1950 (original description)
Paradesmodora cephalata Schuurmans Stekhoven, 1950 (original description)
Paralinhomoeus brevibucca Schuurmans Stekhoven, 1950 accepted as Linhomoeus brevibucca Schuurmans Stekhoven, 1950 (original description)
Paralinhomoeus brevicaudatus Schuurmans Stekhoven, 1950 (original description)
Paralinhomoeus clavicaudatus Schuurmans Stekhoven, 1950 (original description)
Paralinhomoeus longisetosus Schuurmans Stekhoven, 1950 (original description)
Paralinhomoeus tenuicaudatus (Bütschli, 1874) de Man, 1907 accepted as Linhomoeus tenuicaudatus Bütschli, 1874 (redescription)
Paralongicyatholaimus Schuurmans Stekhoven, 1950 (original description)
Paralongicyatholaimus mastigodes Schuurmans Stekhoven, 1950 (original description)
Paramesacanthion tricuspis (Schuurmans Stekhoven, 1950) Wieser, 1953 (ecology source)
Paramonhystera micramphis Schuurmans Stekhoven, 1950 accepted as Paramonohystera micramphis Schuurmans Stekhoven, 1950 (original description)
Paramonhystera paranormandica (Micoletzky, 1922) accepted as Paramonohystera paranormandica (Micoletzky, 1922) accepted as Daptonema normandicum (de Man, 1890) Lorenzen, 1977 (additional source)
Paramonohystera micramphis Schuurmans Stekhoven, 1950 (original description)
Paraseuratiella Schuurmans Stekhoven, 1950 accepted as Paracanthonchus Micoletzky, 1924 (original description)
Paraseuratiella breviseta Schuurmans Stekhoven, 1950 accepted as Paracanthonchus breviseta (Schuurmans Stekhoven, 1950) Hope & Murphy, 1972 (original description)

Black Sea for Leptosomatum bacillatum (Eberth, 1863) Bastian, 1865 
Mediterranean Sea for Anticoma acuminata (Eberth, 1863) Bastian, 1865 
Mediterranean Sea for Dichromadora punctata Schuurmans Stekhoven jr, 1950 
Mediterranean Sea for Leptosomatum bacillatum (Eberth, 1863) Bastian, 1865 
Mediterranean Sea for Metadesmolaimus coronatus Schuurmans Stekhoven, 1950 
Mediterranean Sea for Paralinhomoeus tenuicaudatus (Bütschli, 1874) de Man, 1907 
Mediterranean Sea for Praeacanthonchus uniformis Schuurmans Stekhoven, 1950 
Mediterranean Sea for Pseudoncholaimus dujardinii (de Man, 1876) Belogurov & Belogurova, 1979 
Mediterranean Sea for Theristus stichotricha Schuurmans Stekhoven, 1950 
North Sea for Paracanthonchus polycyrtus Adam & Schuurmans Stekhoven, 1931 
Villefranche Bay for Cyatholaimus chitwoodi Schuurmans Stekhoven, 1950 
Villefranche Bay for Longicyatholaimus effilatis Schuurmans Stekhoven, 1950 nec 1946 
Villefranche Bay for Metachoniolaimus cylindribucca Schuurmans Stekhoven, 1950 
Villefranche Bay for Metachoniolaimus pustulosus Schuurmans Stekhoven, 1950 
Villefranche Bay for Metachromadora papillata Schuurmans Stekhoven, 1950 
Villefranche Bay for Monoposthia mediterranea Schuurmans Stekhoven, 1950 
Villefranche Bay for Paracanthonchus micoletzkyi Schuurmans Stekhoven, 1943 sensu Schuurmans Stekhoven, 1950 
Villefranche Bay for Paralongicyatholaimus mastigodes Schuurmans Stekhoven, 1950 
Villefranche Bay for Paraseuratiella breviseta Schuurmans Stekhoven, 1950 
Villefranche Bay for Praeacanthonchus angulatus Schuurmans Stekhoven, 1950 
Villefranche Bay for Praeacanthonchus micoletzkyi Schuurmans Stekhoven, 1950 

Unknown type ISNB, geounit Villefranche Bay, identified as Metachromadora papillata Schuurmans Stekhoven, 1950

 Biology

 for Cyatholaimus cirolanae Adamson & Marcogliese, 1994

Parasite of the isopod Cirolana polita [details]