Anthozoa - Heliolitida - Plasmoporidae
Parent taxon: Proporicae according to D. Hill 1981
See also Murray 1985
Sister taxa: Cyrtophyllidae, Plasmoporellidae, Proheliolitidae, Proporidae, Sibiriolitidae
Subtaxa: Eolaminoplasma Laminoplasma Liscombea Plasmopora Squameolites Visbylites
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution:
• Devonian of Australia (4 collections)
• Silurian of Australia (2), Canada (19: New Brunswick, Northwest Territories, Quebec), China (6), India (2), the Russian Federation (3), Sweden (10), Ukraine (3), the United Kingdom (2), United States (10: California, Indiana, Iowa, Kentucky)
• Ordovician of Canada (13: Manitoba, Nunavut, Ontario, Quebec), Sweden (1)
Total: 75 collections including 90 occurrences