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, 1-178.

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

3. Rhynchorthoceras conicum (Hisinger, 1837) | Aseri Stage→Lasnamägi Stage

4. Rhynchorthoceras helgoeyense Sweet, 1958

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

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Cephalopoda
Subclass	Orthoceratia
Order	Astroviida
Suborder	Lituitina
Family	Lituitidae
	Sinoceratidae
Genus	Rhynchorthoceras
	Tyrioceras