Genus
Geisonoceras Hyatt, 1884
Selection of related publications
Kröger, B. 2013. The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden.  European Journal of Taxonomy   41,   41,   1-110. DOI:10.5852/ejt.2013.41
Balashov, E. A. 1959. Nekotorye  novye vidy nautiloidej ordovika, silura i devona SSSR.  Materialy k "Osnovam paleontologii", Bypusk 3, pp. 37-46.   Paleontologicheskii Institut Akademii Nauk SSSR. 
List of species
2. Geisonoceras ievense Balashov, 1959 | Haljala Stage
3. Geisonoceras wegelini (Angelin, 1880) | Vormsi Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Orthoceratia | 
| Order | Orthocerida | 
| Suborder | Orthoceratina | 
| Family | Geisonoceratidae | 
| Genus | Archigeisonoceras | 
| Geisonoceras | |
| Species | heintzi | 
| ievense | |
| wegelini | |
| Genus | Harrisoceras | 
| Ioachimoceras | |
| Kinnekulloceras | |
| Nilssonoceras | |
| Ordogeisonoceras | |
| Temperoceras | |
| unranked | Protokionoceras |