Hydrozoa Owen, 1843

Selection of related publications
Vinn, O., Ernst, A., Wilson, M., Toom, U. 2021. Intergrowth of bryozoans with other invertebrates in the Late Pridoli of Saaremaa, Estonia. Annales Societatis Geologorum Poloniae 91, 2, 101-111. DOI:10.14241/asgp.2021.04
Mierzejewski, P. 1986. Ultrastructure, taxonomy and affinities of some Ordovician and Silurian organic microfossils. Palaeontologia Polonica 47, 129-220.