EntityQ11973265· pop 5· linked from 197 articlesGunflint chertSign in to saveGeologic formation in Minnesota and OntarioConnectionsmicroorganismEntityunicellular organismEntityElso Sterrenberg BarghoornEntityFilamentationEntityAnimaliaEntityplantEntityyearEntityMinnesotaConceptfungiEntitybacteriaEntityOntarioEntityphotosynthesisEntityInternational Standard Book NumberEntityspeciesEntityeukaryoteEntityHarvard UniversityEntitygenusEntitypaleontologyEntityprotistEntityLake SuperiorEntityCategoriesChert formationsGeologic formations of MinnesotaGeologic formations of OntarioPaleontology in CanadaPaleontology in MinnesotaProterozoic Eonothem of North America