Parent taxon: Hepaticae according to C. A. Lapasha and C. N. Miller 1985
See also Cladera et al. 2007, Kenrick and Crane 1997, Knowlton 1919 and Vallati et al. 2020
Sister taxa: Aporothallus, Hepaticites, Striatothallus, Thallites, Trambauathallites, Zlivisporis
Subtaxa: Marchantiaceae Ricciaceae Ricciopsis
Distribution:
• Quaternary of Portugal (1 collection)
• Pliocene of Portugal (1)
• Oligocene to Miocene of Australia (1)
• Eocene of China (1)
• Paleogene of India (1)
• Paleocene of Argentina (1), United States (9: Montana, North Dakota)
• Cretaceous of Argentina (1), Canada (1: British Columbia), the Russian Federation (1), South Africa (1), United States (18: Montana, North Dakota)
• Jurassic of China (1), Kazakhstan (1), Portugal (1), the Russian Federation (2), Turkmenistan (1), United States (1: Montana)
• Triassic of Lesotho (1), South Africa (15)
• Permian of the Russian Federation (1)
Total: 61 collections including 64 occurrences