Species
Geisonoceras heintzi Strand, 1934
Current taxon already exists. See initial taxon Isorthoceras
 Taxon ID: 18446
Fossil group: Cephalopoda
Belongs to: Geisonoceras
Other version of taxon: Isorthoceras
Synonymy list
1934     Geisonoceras heintzi n sp. — Strand , pp. 14, fig. 3:13
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Orthoceratia | 
| Order | Orthocerida | 
| Suborder | Orthoceratina | 
| Family | Geisonoceratidae | 
| Genus | Geisonoceras | 
| Species | heintzi | 
| ievense | |
| wegelini |