Nemertodermatida
Nemertodermatida is a class of Acoelomorpha, comprising 18 species of millimetre-sized, mostly interstitial worms.
Taxonomy
The order Nemertodermatida contains two families with 6 genera. The high level of cryptic diversity in this meiofauna group however implies that the number of nemertodermatid taxa may be underestimated.Ascopariidae
The family Ascopariidae Sterrer, 1998 contains two genera.- Ascoparia Sterrer, 1998
- Flagellophora Faubel & Dorjes, 1978
| Name | Image | Distribution | Description |
| Ascoparia neglecta Sterrer, 1998 | |||
| Ascoparia secunda Sterrer, 1998 | |||
| Flagellophora apelti Faubel & Dorjes, 1978 |
Nemertodermatidae
The family Nemertodermatidae Steinböck, 1930 contains four genera.There are 15 species in the family Nemertodermatidae.
| Name | Image | Distribution | Description |
| Meara stichopi Westblad, 1949 | |||
| Nemertinoides elongatus Riser, 1987 | |||
| Nemertinoides glandulosum Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Nemertinoides wolfgangi Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Nemertoderma bathycola Steinböck, 1930 | |||
| Nemertoderma westbladi Steinbock, 1938 | |||
| Sterreria boucheti Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Sterreria lundini Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Sterreria martindalei Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Sterreria monolithes Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Sterreria papuensis Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Sterreria psammicola | |||
| Sterreria rubra | |||
| Sterreria variabilis Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 | |||
| Sterreria ylvae Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 |