Species
Pollicina cyathina Koken, 1897
Synonyymit
1897 Pollicina cyathina — Koken , pp. 198-199, fig. Fig. 38
1925 Pollicina cyathina — Koken & Perner , pp. 227, fig. Figs. 38:6, 7
2020 Pollicina cyathina Koken, 1897 — Peel , fig. Figs. 3A-D, G, H, 4A-I
Aiheeseen liittyvät julkaisut
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
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Tergomya |
| Order | Cyrtonellida |
| Family | Pollicinidae |
| Genus | Pollicina |
| Species | ampliata |
| corniculum | |
| crassitesta | |
| cyathina |
Levinneisyys ja viitteet
- Peel, 2020 Rättvik Kunda Stage