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

1. Baltiscanella christianiae (Koken, 1925)

2. Cyrtodiscus ? evolvens (Barrande, 1903) | Haljala Stage→Porkuni Stage

3. Cyrtolites grandis Koken, 1897 | Lasnamägi Stage→Uhaku Stage

4. Peelerophon hodites Ebbestad, Högström et Frisk, 2013 | Kukruse Stage→Haljala Stage

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

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Tergomya
Order	Archinacellida
	Cyrtonellida
Family	Carcassonnellidae
	Cyrtolitidae
	Pollicinidae
Genus	Cyrtodiscus
	Peelerophon
Order	Tryblidiida
Superfamily	Scenelloidea