selts
Cyrtonellida Horný, 1963
Valik taksonit käsitlevast teaduskirjandusest
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
Leitud liigid
5. Pollicina corniculum Eichwald, 1860 | Kunda lade
6. Pollicina crassitesta Koken, 1897 | Kunda lade
7. Pollicina cyathina Koken, 1897 | Kunda lade
8. Sarkanella epelys Frisk et Ebbestad, 2007 | Sandby lade
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Mollusca | 
| klass | Tergomya | 
| selts | Archinacellida | 
| Cyrtonellida | |
| sugukond | Carcassonnellidae | 
| Cyrtolitidae | |
| Pollicinidae | |
| perekond | Cyrtodiscus | 
| Peelerophon | |
| selts | Tryblidiida | 
| ülemsugukond | Scenelloidea |