Species
Protokionoceras isotelorum Strand, 1934
Synonyymit
1934 Protokionoceras isotelorum n. sp. — Strand , pp. 23, fig. 3:14
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Suborder | Orthoceratina |
| Family | Geisonoceratidae |
| unranked | Protokionoceras |
| Species | isotelorum |
| strandi |