Anthozoa - Cystiphyllida - Digonophyllidae
Parent taxon: Cystiphyllida according to D. Hill 1981
See also Hill 1956 and Merriam 1974
Sister taxa: Cystiphyllidae, Fletcheriidae, Goniophyllidae, Holmophyllidae, Palaeocyclidae, Tryplasmatidae
Subtaxa: Digonophyllinae Digonophyllum Lekanophyllum Mesophyllum Paracystiphylloides Parazonophyllum Stereophyllum Zonophyllinae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Australia (3 collections), Austria (1), Canada (16: British Columbia, Northwest Territories, Nunavut), China (1), the Czech Republic (3), France (1), Germany (14), the Russian Federation (7), Spain (8), Tajikistan (1), the United Kingdom (2), United States (6: Alaska, Indiana, Ohio), Vietnam (1), Western Sahara (1)
• Silurian to Devonian of Tajikistan (1)
Total: 66 collections including 106 occurrences