Stromatoporoidea - Clathrodictyida - Gerronostromatidae
Parent taxon: Clathrodictyida according to C. W. Stearn et al. 1999
Sister taxa: Actinodictyidae, Anostylostromatidae, Atelodictyidae, Clathrodictyidae, Tienodictyidae
Subtaxa: Gerronodictyon Gerronostroma Petridiostroma
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution:
• Devonian of Afghanistan (2 collections), Canada (17: Alberta, Manitoba, Northwest Territories, Nunavut), China (3), France (1), Germany (3), Mongolia (1), Poland (3), the Russian Federation (8), Tajikistan (7), Uzbekistan (1), Vietnam (1)
• Silurian to Devonian of Tajikistan (1)
• Silurian of Canada (15: Manitoba, Quebec), Estonia (3), Ireland (1), the Russian Federation (10), Sweden (1)
Total: 78 collections including 95 occurrences