Pteridopsida - Ophioglossales - Ophioglossidae
Full reference: H. F. Link. 1833. Hortus Regius Botanicus Berolinensis descriptus, ab Henrico Friderico Link. 2
Parent taxon: Ophioglossidae according to PPG. I 2016
See also Knowlton 1919 and Link 1833
Sister taxon: Psilotales
Subtaxa: Ophioglossaceae
Distribution:
• Quaternary of Australia (1 collection), India (1), North Atlantic (2), United States (2: North Carolina, Washington)
• Pliocene of United States (1: Massachusetts)
• Miocene of Canada (1: Northwest Territories)
• Oligocene to Miocene of Argentina (1), Australia (1)
• Paleocene of Antarctica (1), Canada (1: Alberta)
• Cretaceous of Australia (1), India (1), Lebanon (1), North Atlantic (4), United States (1: New Jersey)
• Jurassic of France (1), India (3), the United Kingdom (1)
• Triassic of Italy (1), Norway (1)
Total: 27 collections including 30 occurrences