Family Hypnaceae
Parent taxon: Bryales according to F. H. Knowlton 1919
Sister taxa: Brachytheiaceae, Bryaceae, Dicranaceae, Fontinalaceae, Grimmiaceae
Subtaxa: Hypnum
Distribution:
• Eocene of Canada (1: British Columbia collection)
• Paleocene of United States (1: Colorado)
Total: 2 collections each including a single occurrence