Type species: Dianulites fastigiatus Eichwald, 1829
This genus includes the species:
| Dianulites apiculatus | (Eichwald, 1825) | Ordovician | Russia, Estonia |
| Dianulites borealis | Astrova, 1965 | E. Ordovician Tremadoc-Arenig | Russia Western Arctic |
| Dianulites colliferus | Bassler, 1911 | Ordovician Ashgill | Estonia |
| Dianulites collucatus | Pushkin & Popov, 2001 | Ordovician | Northeast Europe |
| Dianulites cumulatus ? | (Ulrich, 1893) | Ordovician | USA, Canada, Russia |
| Dianulites discoideus ? | (Ulrich, 1893) | Ordovician | USA Minnesota |
| Dianulites eichwaldi | Pushkin & Popov, 2001 | Ordovician | Northeast Europe |
| Dianulites fastigiatus | Eichwald, 1829 | M. Ordovician | Estonia, USA Utah |
| Dianulites globularis | Bassler, 1927 | Ordovican Ashgill | Canada |
| Dianulites grandis | Bassler, 1911 | Ordovician Ashgill | Estonia |
| Dianulites helenae | (Modzalevskaya, 1953) | Ordovician Arenig-Llanvirn | Russia |
| Dianulites hexaporites | Dybowski, 1877 | Ordovician | Russia, Estonia? |
| Dianulites insuetus | Bassler, 1927 | Ordovican Ashgill | Canada |
| Dianulites janischevskyi | Modzalevskaya, 1953 | Ordovician Arenig-Llandeilo | Russia |
| Dianulites lamanskyi | Pushkin & Popov, 2001 | Ordovician | Northeast Europe |
| Dianulites maculatus | Modzalevskaya, 1953 | Ordovician Llandeilo | Russia |
| Dianulites magnicellularius | Modzalevskaya, 1953 | Ordovician Llanvirn-Llandeilo | Russia |
| Dianulites microcellatus | Astrova, 1945 | Ordovician Caradoc | Russia Urals |
| Dianulites modzalevskae | Pushkin & Popov, 2001 | Ordovician | Northeast Europe |
| Dianulites multimesoporicus | Modzalevskaya, 1953 | Ordovician Arenig | Russia |
| Dianulites petropolitanus | Dybowski, 1877 (not Pander) | Ordovician | Russia |
| Dianulites petropolitanus minor ? | Lewis, 1934 | Silurian Wenlockian | Isle of Man |
| Dianulites petropolitanus sibiricus | Astrova, 1965 | Ordovician | Russia Siberia |
| Dianulites preinsuetus | Astrova, 1965 | M. Ordovician | Russia |
| Dianulites ramosoformis | Yaroshinskaya, 1967 | Ordovician | Russia? |
| Dianulites rocklandensis | Wilson, 1921 | Ordovician Caradoc | Canada |
| Dianulites utahensis | Hinds, 1970 | Ordovician Llanvirn-Llandeilo? | USA Utah |
| Dianulites yumenensis | Yang & Lu, 1962 | M. Ordovician | China Gansu |
Dianulites from Nashville region: at University of Georgia.
For Dianulites images from Estonia, go to the Institute of Geology, Talinn University of Technology and search for the genus.
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.
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