Genus
Cyrtogomphoceras Foerste, 1924
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,      1-169. DOI:10.5852/ejt.2025.978.2801
Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums.  Paläontologische Zeitschrift   12,   3/4,   264-312. DOI:10.1007/BF03044452
List of species
1. Cyrtogomphoceras troedssoni Teichert, 1930 | Katian
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Multiceratoidea | 
| Order | Discosorida | 
| Family | Cyrtogomphoceratidae | 
| Genus | Cyrtogomphoceras | 
| Species | troedssoni | 
| Genus | Furudaloceras | 
| Hosholmoceras | |
| Kiaeroceras | |
| Kullsbergoceras | |
| Strandoceras |