Genus
Protrochiscolithus Troedsson, 1928
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Class | Anthozoa |
| Subclass | Tabulata |
| Order | Heliolitida |
| Suborder | Heliolitina |
| Superfamily | Coccoseridicae |
| Family | Palaeoporitidae |
| Genus | Palaeoporites |
| Protrochiscolithus | |
| Pushkinites | |
| Trochiscolithus |