Group or Formation Period Notes Birstonas FormationSilurian Birstonas and Paprieniai FormationSilurian Brasta FormationCretaceous Dubysa FormationSilurian Geluva FormationSilurian Jiesia FormationCretaceous Jura FormationSilurian Labguva FormationCretaceous Lapes FormationSilurian Minija FormationSilurian Mituva FormationSilurian Naujoji Akmene FormationPermian Naujoji Akmené FormationPermian Naujoji Akmené Suite FormationPermian Nevezis FormationSilurian Pagegiai FormationSilurian Papile suite FormationJurassic Paprienai FormationSilurian Paprieniai FormationSilurian Pregolskian FormationPermian Riga FormationSilurian Riga and Geluva FormationSilurian Sasnava FormationPermian Siesartis FormationSilurian Zalgiris FormationPermian See also Lists of fossiliferous stratigraphic units in Europe References Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.