Family Marchantiidae Engler 1893 (liverwort)
Marchantiopsida - Marchantiidae
Parent taxon: Marchantiopsida according to Y. S. Mamontov and M. S. Ignatov 2020
See also Chase and Reveal 2009
Sister taxa: Calobryales, Metzgeriales, Monocleales, Sphaerocarpales
Subtaxa: Costatheca Khasurtya Khasurtythallus Stoverisporites Triporoletes
Distribution:
• Cretaceous to Neogene of China (1 collection)
• Cretaceous to Paleogene of Canada (1: Alberta)
• Cretaceous of Antarctica (21), Argentina (10), Australia (16), Canada (18: Alberta, Nunavut), China (2), Germany (1), the Netherlands (5), the Russian Federation (1), the United Kingdom (1), United States (24: Kansas, Minnesota)
Total: 101 collections including 125 occurrences