Two new Peridinioid dinoflagellate cyst species are described from Middle Jurassic strata of the Barents Sea Region. Phallocysta thomasi sp.nov. occurs in Aalenian-Bajocian sediments cored from the Nordkapp Basin and Valvaeodinium thereseae sp. nov. occurs in Upper Bathonian-Callovian deposits cropping out on Kong Karls Land and Franz Josef Land.
- Received December 1, 1990.
- Accepted June 1, 1991.
- © 1991 The Micropalaeontological Society