The first records of the bryozoan genus Stomatoporopsis from the Maastrichtian of the middle Volga River region and Mangyshlak are described: S. multigemmans (Illies, 1974), S. arguta sp. nov., S. illiesae sp. nov., S. ...
Since the frontal sides of the colonies of idmoneiform Tubuliporina follow a single plan, the developmental features of various heterozooecia acquire great taxonomic significance independently of the shape and position of ...
Our study of bryozoans has enabled us to date the Cretaceous-Paleogene boundary deposits more reliably. Of particularly great interest are the bryozoans from two sections far apart, where they occur in mass quantity: in ...