Family
Sinoceratidae Shimizu et Obata, 1935
Selection of related publications
Aubrechtová, M., Korn, D. 2022. Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician). European Journal of Taxonomy 799, 1-108. DOI:10.5852/ejt.2022.799.1681
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
Sweet, W. C. 1958. The Middle Ordovician of the Oslo Region, Norway: 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38, 1, 1-176.
Öpik, A. 1927. Die Inseln Odensholm und Rogö. Ein Beitrag zur Geologia von NW-Estland. Tartu Ülikooli Geoloogia Instituudi Toimetused 9, 1-69.
List of species
1. Rhynchorthoceras beyrichii Remelé, 1882 | Lasnamägi Stage
2. Rhynchorthoceras breynii (Boll, 1857) | Middle Ordovician
5. Rhynchorthoceras kranepuhlense Aubrechtová & Korn, 2022 | Aseri Stage
6. Rhynchorthoceras rugium Aubrechtová & Korn, 2022 | Kunda Stage
7. Tyrioceras kjaerulfi Strand, 1934 | Katian
8. Tyrioceras warburgae Frye, 1982 | Katian
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Astroviida |
| Suborder | Lituitina |
| Family | Lituitidae |
| Sinoceratidae | |
| Genus | Rhynchorthoceras |
| Tyrioceras |