Genus
Helcionella Grabau et Shimer, 1909
Selection of related publications
Ebbestad, J. O. R., Cederström, P., Peel, J. S. 2024. Helcionelloid molluscs from the lower Cambrian (Series 2, Stage 4) of southern Sweden. Historical Biology 36, 9, 1854-1882. DOI:10.1080/08912963.2023.2234393
Høyberget, M., Ebbestad, J. O. R., Funke, B., Nakrem, H. A. 2015. The shelly fauna and biostratigraphy of the lower Cambrian (provisional series 2, stage 4) Evjevik Member, Ringstrand Formation in the Mjøsa area, Norway. Norwegian Journal of Geology 95, 1, 23-56. DOI:10.17850/njg95-1-02
List of species
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Helcionelloida |
| Order | Helcionellida |
| Family | Helcionellidae |
| Genus | Davidonia |
| Helcionella | |
| Species | antiqua |
| Genus | Oelandia |
| Prosinuites |
See also