Parent taxon: Cyanophyceae according to K. Krainer and D. Vachard 2019
See also Vachard and Aretz 2004
Sister taxa: Baratangia, Cayeuxia, Garwoodiaceae, Protorivularia, Ramivaginalis, Rivularites, Shermanophycus, Stylophycus, Weedia
Subtaxa: Aphralysia Archaeolithoporella
Type: Aphralysia
Ecology: stationary "photoautotroph"
Distribution:
• Eocene of Spain (1 collection)
• Jurassic of Switzerland (1)
• Triassic of Italy (1), Spain (6)
• Permian of China (27), Greece (2), Iran (2), Italy (3), Japan (5), Oman (6), the Russian Federation (1), Slovenia (3), Tajikistan (7), Thailand (2), Turkey (8), United States (2: New Mexico, Texas)
• Carboniferous of Algeria (1), Australia (2), Belgium (2), China (1), France (2), Ireland (6), Morocco (1), the United Kingdom (4), United States (2: Arkansas)
Total: 98 collections including 102 occurrences