Emplectonematidae
Nemertopsis bivittata (Delle Chiaje, 1841)
Nemertopsis capitulata Timofeeva, 1912
Nemertopsis exilis Coe, 1947
Nemertopsis flavida (McIntosh, 1873/74)
Nemertopsis gracile sensu Utinomi, 1969
Nemertopsis gracilis sensu Iwata, 1954a, 1960
Nemertopsis mitellicola Kajihara, 2007
Nemertopsis quadripunctata (Quoy & Gaimard, 1833)
Nemertopsis tenuis Bürger, 1895
Nemertopsis tetraclitophila Gibson, 1990