Species
Gorbyoceras clathratoannulatum (Roemer, 1861)
Synonymy list
1858 Orthoceras anellum — Schmidt , pp. 197
1861 Orthoceras clathro-annulatum — Roemer , pp. 57-58, fig. 7:4
1891 Orthoceras clathro-annulatum — Schmidt , pp. 38
1929 Orthoceras clathro-annulatum — Sauramo , pp. 8,10
1930 Spyroceras clathro-annulatum — Teichert , pp. 279, fig. Taf. 5, Fig. 5.
2025 Gorbyoceras clathratoannulatum (Roemer, 1861) comb. nov. — Kröger , pp. 40, fig. Figs 11B–C, 12C, H, 18
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
Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Paläontologische Zeitschrift 12, 3/4, 264-312. DOI:10.1007/BF03044452
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Suborder | Orthoceratina |
| Family | Proteoceratidae |
| Genus | Gorbyoceras |
| Species | alternestriatum |
| clathratoannulatum | |
| stumburi | |
| textumaraneum |
References based on distribution
- Teichert, 1930c Piirsalu old quarry
- Teichert, 1930c Saare Manor (Lyckholm) old quarry
- Teichert, 1930c Haapsalu
- Teichert, 1930c Saxby