Ginkgoopsida - Ephedrales - Ephedraceae
Full reference: B. C. Dumortier. 1829. Analyse des Familles des Plantes, avec l’indication des principaux genres qui s’y rattachent.
Parent taxon: Ephedrales according to Y. Yang et al. 2018
See also Christenhusz et al. 2011, Cladera et al. 2007, Dumortier 1829, Mabberley 2000, Meyen 1984 and Wang and Zheng 2010
Sister taxa: Amphiephedra, Ephedripites, Equisetosporites, Regalipollenites
Subtaxa: Eamesia Ephedra Ephedrites
Type: Ephedra
Ecology: "photoautotroph"
Distribution:
• Quaternary of Argentina (1 collection), India (15), Italy (2), North Atlantic (44), United States (2: Utah, Washington)
• Pliocene of North Atlantic (3), Portugal (1)
• Miocene to Pliocene of North Atlantic (1)
• Miocene of Azerbaijan (6), North Atlantic (1), Poland (1), Türkiye (1), United States (2: Maryland, Virginia)
• Oligocene to Miocene of United States (1: Maryland)
• Oligocene of Azerbaijan (1)
• Eocene of Argentina (1), United States (5: Alabama, Colorado, Missouri, Virginia)
• Paleocene to Eocene of United States (1: Virginia)
• Paleocene of Antarctica (1), United States (3: Missouri)
• Cretaceous to Paleogene of Antarctica (1)
• Cretaceous of Argentina (1), China (2), Mexico (1)
• Jurassic of France (1)
Total: 99 collections including 117 occurrences