Order

Helcionellida Geyer, 1994

Aiheeseen liittyvät julkaisut
Ebbestad, J. O. R., Cederström, P., Peel, J. S. 2023. Helcionelloid molluscs from the lower Cambrian (Series 2, Stage 4) of southern Sweden. Historical Biology 1-29. 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
Isakar, M., Peel, J. S. 2007. Lower Cambriam helcionelloid molluscs from Estonia. GFF 129, 3, 255-262. DOI:10.1080/11035890701293255
Öpik, A. 1926. Über den estländischen Blauen Ton. Tartu Ülikooli juures oleva Loodusuurijate Seltsi Aruanded 33, 1, 39-47.
List of species
1. Aldanella attleborensis (Shaler et Foerste, 1888) | Lower Cambrian (old nomenclature)
2. Aldanella kunda (Öpik, 1926) | Lower Cambrian (old nomenclature)
5. Oelandia pauciplicata Westergård, 1936 | Middle Cambrian (old nomenclature)
6. Prosinuites bornholmensis Poulsen, 1967 | Lower Cambrian (old nomenclature)
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