sugukond

Helcionellidae Wenz, 1938

Valik taksonit käsitlevast teaduskirjandusest
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
Leitud liigid
3. Oelandia pauciplicata Westergård, 1936 | Kesk-Kambrium (endine liigestus)
4. Prosinuites bornholmensis Poulsen, 1967 | Alam-Kambrium (endine liigestus)
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Klassifikatsioon