Also see: Kingdom Plantae Endosymbiotic Origin of Domain Eukarya Endosymbiosis - Appearance of Eukaryotes
Yuknessia sp. (fossil algae) Middle Cambrian Wheeler Shale Formation, Utah
Araucaria mirabilis Middle Jurassic Cerro Cuadrato, Patgonia, Argentina
Ginkgo biloba Middle Eocene Tranquille Shale, British Columbia