Family
Helcionellidae Wenz, 1938
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
2. Mackinnonia puppis (Høyberget, Ebbestad, Funke et Nakrem, 2015) | Lower Cambrian (old nomenclature)
3. Oelandia pauciplicata Westergård, 1936 | Middle Cambrian (old nomenclature)
4. Prosinuites bornholmensis Poulsen, 1967 | Lower Cambrian (old nomenclature)
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Helcionelloida |
| Order | Helcionellida |
| Superfamily | Pelagiellidea |
| Yochelcionelloidea | |
| Family | Coreospiridae |
| Helcionellidae | |
| Genus | Davidonia |
| Helcionella | |
| Oelandia | |
| Prosinuites | |
| Family | Trenellidae |
See also