Order
Cyrtonellida Horný, 1963
Selection of related publications
Peel, J. S. 2020. Muscle scars, mode of life and systematics of Pollicina (Mollusca) from the Ordovician of Baltica. Estonian Journal of Earth Sciences 69, 1, 20-36. DOI:10.3176/earth.2020.02
Peel, J. S. 2020. The Dala thumb: shell morphology and failed predation in Pollicina cyathina (Gastropoda) from the Ordovician of Dalarna, Sweden. GFF 142, 2, 139-146. DOI:10.1080/11035897.2020.1728374
Ebbestad, J. O. R., Högström, A. E. S., Frisk, Ǻ. M. 2013. Gastropods and tergomyans from the Upper Ordovician (Viru-Harju) of the Fagelsang area, Scania, southern Sweden. Journal of Systematic Palaeontology 11, 3, 295-336. DOI:10.1080/14772019.2012.660994
Frisk, Ǻ. M., Ebbestad, J. O. R. 2007. Paragastropoda, Tergomya and Gastropoda (Mollusca) from the Upper Ordovician Dalby Limestone, Sweden. GFF 129, 2, 83-99. DOI:10.1080/11035890701292083
Koken, E. 1897. Die Gastropoden des baltischen Untersilurs. Bull. Sci. Acad. Imp. Sci. Saint-Petersbourg 7, 2, 97-214.
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391
List of species
5. Pollicina corniculum Eichwald, 1860 | Kunda Stage
6. Pollicina crassitesta Koken, 1897 | Kunda Stage
7. Pollicina cyathina Koken, 1897 | Kunda Stage
8. Sarkanella epelys Frisk et Ebbestad, 2007 | Sandbian
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Tergomya |
| Order | Archinacellida |
| Cyrtonellida | |
| Family | Carcassonnellidae |
| Cyrtolitidae | |
| Pollicinidae | |
| Genus | Cyrtodiscus |
| Peelerophon | |
| Order | Tryblidiida |
| Superfamily | Scenelloidea |