Type species: Dyoidophragma typicalis Duncan, 1939
This genus includes the species:
Boardman, 1960 | Middle Devonian Givetian | USA New York | WoRMS 1401633 | |
Duncan, 1939 | Middle Devonian Givetian | USA New York | WoRMS 1401634 | |
Duncan, 1939 | M. Devonian | USA (Michigan) | WoRMS 1401635 |