Cnidaria

Sphenothallus Hall, 1847

Selection of related publications
Vinn, O., Kirsimäe, K. 2015. Alleged cnidarian Sphenothallus (Cnidaria?) in the Late Ordovician of Baltica, its mineral composition and microstructure. Acta Palaeontologica Polonica 60, 4, 1001-1008. DOI:10.4202/app.00049.2013
Stewart, S. E., Clarkson, E. N. K., Ahlgren, J., Ahlberg, P., Schoenemann, B. 2015. Sphenothallus from the Furongian (Cambrian) of Scandinavia. GFF 137, 1, 20-24. DOI:10.1080/11035897.2014.929173
Öpik, A. 1927. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. II. Tartu Ülikooli Geoloogia Instituudi Toimetused 10, 1-35.
References based on distribution