Type species: Diploclema trentonense Ulrich, 1889
This genus includes the species:
(Hall, 1852) | Silurian Llandovery-Wenlockian | USA New York | WoRMS 1410817 | |
(Hall, 1852) | Silurian | USA, Canada | WoRMS 1410818 | |
Ulrich, 1889 | Ordovician | USA (NY) | WoRMS 1401518 |