Subclass
Endoceratoidea Teichert, 1933
Selection of related publications
Kröger, B. 2025. The Lyckholm acme of cephalopods – Review of the late Katian (Vormsi–Pirgu regional stages) Ordovician cephalopods of Estonia. European Journal of Taxonomy 978, 1-168. DOI:10.5852/ejt.2025.978.2801
Stumbur, H. 1955. Eesti NSV ülem-ordoviitsiumi nautiloiididest [Diplomitöö. Juhendaja: A. Rõõmusoks]. pp. 1-159.
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Actinoceratoidea |
| Ammonoidea | |
| Bactritoidea | |
| Coleoidea | |
| Endoceratoidea | |
| Order | Endocerida |
| Subclass | Multiceratoidea |
| Nautilia | |
| Orthoceratia | |
| Tarphyceratia | |
| Order | Bactritida |
| Barrandeocerida | |
| Basslerocerida | |
| Superfamily | Tainocerataceae |
| Genus | Botellusoceras |
| Phylloceras |
See also