Ceratophysa ceratopyga (A. Agassiz, 1879)
Echinocrepis cuneata A. Agassiz, 1879
Echinosigra (Echinogutta) amphora Mironov, 1974
Echinosigra amphora Mironov, 1974 represented as Echinosigra (Echinogutta) amphora Mironov, 1974
Helgocystis carinata (A. Agassiz, 1879)
Pourtalesia aurorae Koehler, 1926
Pourtalesia carinata A. Agassiz, 1879 accepted as Helgocystis carinata (A. Agassiz, 1879)
Pourtalesia ceratopyga A. Agassiz, 1879 accepted as Ceratophysa ceratopyga (A. Agassiz, 1879)
Pourtalesia debilis Koehler, 1926
Pourtalesia hispida A. Agassiz, 1879
Pourtalesia vinogradovae Mironov, 1995
Spatagocystis challengeri A. Agassiz, 1879