Prothyris acuticarinata (FOSSIL) Busanus & Hoare, 1991 †
Prothyris angulata (FOSSIL) Spriestersbach, 1925 †
Prothyris bergica (FOSSIL) Drevermann, 1902 †
Prothyris breviformis (FOSSIL) R.B. Wilson, 1963 †
Prothyris carbonaria (FOSSIL) R.B. Wilson, 1963 †
Prothyris cilindrica (FOSSIL) Muromtseva & Guskov,1984 †
Prothyris contorta (FOSSIL) Whidborne, 1896 †
Prothyris darlingensis (FOSSIL) Bradshaw, 1991 †
Prothyris elongata (FOSSIL) Dahmer, 1936 †
Prothyris knodi (FOSSIL) Clarke 1913 †
Prothyris oblonga (FOSSIL) R.B. Wilson, 1963 †
Prothyris recta (FOSSIL) Whidborne, 1896 †
Prothyris singewaldi (FOSSIL) J. Lintz, 1958 †
Prothyris soleniformis (FOSSIL) Elias, 1957 †
Prothyris striata (FOSSIL) Licharew, 1931 †
Prothyris stubblefieldi (FOSSIL) R.B. Wilson, 1963 †
Prothyris unioniformis (FOSSIL) Yang, 1983 †
Amphikoilum bilobata (FOSSIL) Pogorevitsch, 1975 †
Lophoprothyris crista (FOSSIL) Hoare & al., 1989 †