Family
Eriditidae Chen, 1981
Aiheeseen liittyvät julkaisut
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
Kröger, B. 2007. Concentrations of juvenile and small adult cephalopods in the Hirnantian cherts (Late Ordovician) of Porkuni, Estonia. Acta Palaeontologica Polonica 52, 3, 591–608.
List of species
1. Nathorstoceras adnatum Kröger, 2013 | Katian
2. Nathorstoceras kallholnense Kröger, 2013 | Katian
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Suborder | Orthoceratina |
| Family | Arionoceratida |
| Arionoceratidae | |
| Dawsonoceratidae | |
| Eriditidae | |
| Genus | Nathorstoceras |
| Family | Geisonoceratidae |
| Lamellorthoceratidae | |
| Orthoceratidae | |
| Proteoceratidae | |
| Tripteroceratidae |
See also