Type species: Primorella polita Romanchuk & Kiseleva, 1968
This genus includes the species:
| Gorjunova, 1985 | Early Permian Artinskian | Northern Russia | WoRMS 1407039 | |
| (Kruchinina, 1973) | Early Permian Kungurian | Arctic Russia | WoRMS 1413149 | |
| Gorjunova & Morozova, 1979 | Late Permian Guadalupian | Mongolia | WoRMS 1407040 | |
| Morozova, 1981 | Early Permian | East Russia | WoRMS 1407041 | |
| Gorjunova, 1985 | Early Permian Sakmarian | Russia Bashkiria | WoRMS 1407042 | |
| Ariunchimeg, 1992 | Carboniferous | Mongolia | WoRMS 1407043 | |
| Gorjunova, 2006 | Carboniferous Viséan | Iran | WoRMS 1407044 | |
| Tolokonnikova, 2013 | Carboniferous Mississippian Visean-Serpukhovian | Russia Urals | WoRMS 1407045 | |
| Gorjunova, 1988 | Early Carboniferous Visean-Serpukhovian | Mongolia | WoRMS 1407046 | |
| Gorjunova, 1985 | Early Permian Sakmarian | Russia Bashkiria | WoRMS 1407047 | |
| Romanchuk & Kiseleva, 1968 | Late Permian | Russia east | WoRMS 1407048 | |
| Kiseleva, 1982 | Late Permian | Russia east | WoRMS 1407049 | |
| Gorjunova, 2007 | Devonian Famennian | Transcaucasia | WoRMS 1407050 | |
| Gorjunova, 1985 | Early Permian Artinskian | Pamir | WoRMS 1407051 | |
| Gorjunova, 1975 | Early Permian Sakmarian-Artinskian | Pamir, Italy | WoRMS 1407052 | |
| Morozova, 1981 | Early Permian | Russia east | WoRMS 1407053 | |
| Gorjunova, 1988 | M. Carboniferous Bashkirian | Mongolia | WoRMS 1407054 | |
| Romantchuk, 1975 | Late Carboniferous Bashkirian-Moscovian | Russia Khabarovsk | WoRMS 1407055 | |
| Gorjunova, 2007 | Carboniferous Tournaisian | Azerbaijan? Transcaucasia | WoRMS 1407056 | |
| Kruchinina, 1980 | Early Permian Kungurian | Russia Arctic, Canada Arctic | WoRMS 1407057 | |
| Tolokonnikova & Fedorov, 2022 | Carboniferous Mississippian Tournaisian | Kazakhstan | WoRMS 1836699 |
Thanks to Andrej Ernst for additional information.
This information is based upon various sources, but no personal knowledge. I am indebted to the late Alan Horowitz for his compilation, and to Dr. J. Pachut.
I would be grateful for corrections to, or critical reviews of this information. This is not a 'final' version (an impossible ideal), but a working document.