The family includes the genera
Fistulamina lata | Hexagonella hudlestonei | Prismopora digitata |
Evactinopora radiata from the Pennsylvanian of Missouri. Page by Barry Sutton. (this page has 10 specimens to choose from)
Evactinopora grandis at Paleontology and Geology of Missouri.
Prismopora triquetra at Paleontology and Geology of Missouri.