Type species: Ropalonaria venosa Ulrich, 1879
This genus includes the species:
| (Fischer, 1866) | Jurassic | Europe, USA | WoRMS 1413573 | |
| (Ulrich & Bassler, 1904) | Silurian Wenlock | USA Maryland | WoRMS 1413574 | |
| (Voigt & Soule, 1973) | Early Cretaceous Aptian | England | WoRMS 1413575 | |
| Pohowsky, 1978 | M. Jurassic | France | WoRMS 1407901 | |
| Condra & Elias, 1944 | Permian Cisuralian Asselian | USA Nebraska | WoRMS 1407902 | |
| Kiepura, 1965 | M. Devonian | Poland | WoRMS 1407903 | |
| Fritz, 1944 | U. Devonian | USA (New Mexico) | WoRMS 1407904 | |
| Bassler, 1929 | Permian | Timor | WoRMS 1407905 | |
| Bassler, 1923 | Silurian Wenlock | USA Maryland | WoRMS 1407906 | |
| Ulrich, 1879 | U. Ordovician | USA (Ohio) | WoRMS 1407907 |