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