Species
Petrocrania glabra (Huene, 1899)
Synonyymit
1899 Philhedrella glabra — Huene , pp. 313
1963 Philhedrella glabra — Wright , pp. 252
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Craniiformea |
| Class | Craniata |
| Order | Craniida |
| Family | Craniidae |
| Genus | Petrocrania |
| Species | acta |
| bucculenta | |
| despectata | |
| glabra | |
| gracilis | |
| kokeni | |
| miltrata | |
| mimetica |