| Protomonotresinae | Acanthiella | Rieger & Sterrer, 1975 | |
| Myozonaria | americana | Rieger, 1971 | |
| Myozonaria | arcassonensis | Rieger, 1971 | |
| Paromalostomum | atratum | Rieger, 1971 | |
| Retronectes | atypica | Doe & Rieger, 1977 | |
| Dolichomacrostominae | Austromacrostomum | Rieger, 1971 | |
| Bertiliella | bathycola | Rieger & Sterrer, 1975 | |
| Paramyozonaria | bermudensis | Rieger, 1971 | |
| Bertiliellidae | Bertiliella | Rieger & Sterrer, 1975 | |
| Eukalyptorhynchia | Bertiliellidae | Rieger & Sterrer, 1975 | |
| Myomacrostomum | bichaeta | Rieger, 1986 | |
| Florianella | bipolaris | Rieger & Sterrer, 1975 | |
| Myozonaria | bistylifera | Rieger, 1968 | |
| Macrostomorpha | Bradynectes | Rieger, 1971 | |
| Megamorion | brevicauda | Rieger & Sterrer, 1968 | |
| Paramyozonaria | bruneti | Rieger, 1971 | |
| Myozonaria | carolinensis | Rieger, 1971 | |
| Luriculus | castor | (Sterrer & Rieger, 1990) | |
| Lurus | castor | Sterrer & Rieger, 1990 | |
| Acanthiella | chaetonotoides | Rieger & Sterrer, 1975 | |
| Retronectes | clio | Sterrer & Rieger, 1974 | |
| Sagittiferidae | Convolutrilobinae | Geschwentner, Ladurner, Salvenmoser, Rieger, & Tyler | |
| Symsagittifera | corsicae | Gschwentner, Baric & Rieger, 2002 | |
| Dolichomacrostominae | Cylindromacrostomum | Rieger, 1971 | |
| Dolichomicrostomida | Dolichomacrostomidae | Rieger, 1971 | |
| Dolichomacrostomidae | Dolichomacrostominae | Rieger, 1971 | |
| Paracatenula | erato | Sterrer & Rieger, 1974 | |
| Retronectes | euterpe | Sterrer & Rieger, 1974 | |
| Bertiliellidae | Florianella | Rieger & Sterrer, 1975 | |
| Macrostomum | hystricinum | hystricinum | Rieger, 1971 |
| Myozonaria | jenneri | Rieger & Tyler, 1974 | |
| Paracatenula | kalliope | Sterrer & Rieger, 1974 | |
| Kytorhynchella | karlingi | Rieger, 1974 | |
| Dolichomacrostomidae | Karlingiinae | Rieger, 1971 | |
| Kytorhynchidae | Kytorhynchella | Rieger, 1974 | |
| Thalassotyphloplanida | Kytorhynchidae | Rieger, 1974 | |
| Kytorhynchus | (Kytorhynchoides) | Rieger, 1974 | |
| Kytorhynchus | (Kytorhynchus) | Rieger, 1974 | |
| Kytorhynchidae | Kytorhynchus | Rieger, 1974 | |
| Macrostomum | lignano | Ladurner, Schärer, Salvenmoser, & Rieger, 2005 | |
| Dalytyphloplanida | Luridae | Sterrer & Rieger, 1990 | |
| (Eukytorhynchus) | macrostylus | Rieger, 1974 | |
| (Kytorhynchoides) | macrostylus | Rieger, 1974 | |
| Macrostomum | hystricinum | marinum | Rieger, 1977 |
| Paromalostomum | massiliensis | Rieger, 1971 | |
| Myozonaria | mediterranea | Rieger, 1971 | |
| Dolichomacrostominae | Megamorion | Rieger & Sterrer, 1968 | |
| Dolichomacrostominae | Meiocheta | Rieger, 1971 | |
| Kytorhynchella | meixneri | Rieger, 1974 | |
| Retronectes | melpomene | Sterrer & Rieger, 1974 | |
| Myozonaria | microstyla | Rieger, 1971 | |
| (Eukytorhynchus) | microstylus | Rieger, 1974 | |
| (Kytorhynchoides) | microstylus | Rieger, 1974 | |
| Paromalostomum | minutum | Rieger, 1971 | |
| Paromalostomum | minuum | Rieger, 1971 | |
| Myozonariinae | Myomacrostomum | Rieger, 1986 | |
| Myozonariinae | Myozonaria | Rieger, 1968 | |
| (Kytorhynchus) | oculatus | Rieger, 1974 | |
| Paracatenulidae | Paracatenula | Sterrer & Rieger, 1974 | |
| Karlingiinae | Paramyozonaria | Rieger, 1971 | |
| Paromalostomum | parvum | Rieger, 1971 | |
| Praeaphanostoma | parvum | Rieger & Ott, 1971 | |
| Lurus | pollux | Sterrer & Rieger, 1990 | |
| Paracatenula | polyhymnia | Sterrer & Rieger, 1974 | |
| Retronectidae | Retronectes | Sterrer & Rieger, 1974 | |
| Catenulida | Retronectidae | Sterrer & Rieger, 1974 | |
| Kytorhynchella | riedli | Rieger, 1974 | |
| Paratomella | rubra | Rieger & Ott, 1971 | |
| Paramyozonaria | simplex | Rieger & Tyler, 1974 | |
| Symsagittifera | smaragdina | Achatz, Gschwentner, & Rieger, 2005 | |
| Carcharodorhynchus | sp I | Rieger & Doe, 1975 | |
| Austromacrostomum | sp. | Rieger, 1977 | |
| Bertiliella | sp. | Rieger & Sterrer, 1975 | |
| Diascorhynchus | sp. | Rieger & Doe, 1975 | |
| Nemertoderma | sp. A | Tyler & Rieger, 1977 | |
| Nemertoderma | sp. B | Tyler & Rieger, 1977 | |
| Nemertoderma | sp. C | Tyler & Rieger, 1977 | |
| Nemertoderma | sp. D | Tyler & Rieger, 1977 | |
| Carcharodorhynchus | sp. II | Rieger & Doe, 1975 | |
| Pseudohaplogonaria | sp. NC | Fegley, Smith & Rieger, 1984 | |
| (Kytorhynchus) | sp.I | Rieger, 1974 | |
| (Kytorhynchus) | sp.II | Rieger, 1974 | |
| Bradynectes | sterreri | Rieger, 1971 | |
| Retronectes | terpsichore | Sterrer & Rieger, 1974 | |
| Retronectes | thalia | Sterrer & Rieger, 1974 | |
| Parahaploposthia | thiophilus | Fegley, Smith & Rieger, 1984 | |
| Lurus | tyndareus | Sterrer & Rieger, 1990 | |
| Luriculus | tyndareus | (Sterrer & Rieger, 1990) | |
| Myomacrostomum | unichaeta | Rieger, 1986 | |
| Paracatenula | urania | Sterrer & Rieger, 1974 |
90 names, including those in new combination. (Max listing set to 900)