EntityQ794001· pop 16· linked from 11 articlesAzolla eventSign in to savehypothetical geoclimactic eventConnectionsEarthConceptBlack SeaEntityArctic OceanEntitystrontiumEntitycarbon dioxideEntityneodymiumEntityfossilEntityfernEntitydigital object identifierEntitylagoonEntityJurassicEntityCretaceousEntityriver deltaEntityTriassicEntityplanktonEntityPaleozoicEntityCambrianEntityDevonianEntityMesozoicEntityPermianEntityCategoriesBiological hypothesesEnvironment of the ArcticEoceneEvents that forced the climateFernsGreenhouse gasesPaleoecologyPrehistory of the ArcticSalviniales