Isocyprina politula (FOSSIL) (J. Lycett, 1863 †)
Arctica praerustica (FOSSIL) Hassan, 1953 †
Arctica provencialis (FOSSIL) †
Anisocardia rodburgensis (FOSSIL) L.R. Cox, 1947 †
Proveniella rosacea (FOSSIL) Casey †
Anisocardia rostrata (FOSSIL) (G.B. Sowerby, 1821 †)
Agapella rotunda (FOSSIL) Vokes 1946 †
Pygocardia rustica (FOSSIL) (Sowerby, 1818 †)
Pygocardia rustica tumida (FOSSIL) (P. Nyst, 1836 †)
Vectianella sanctaecrucis (FOSSIL) (Pictet & Campiche 1865) †,
Arctica scutellaria (FOSSIL) (J.B.P.A. Lamarck,1806 †)
Arctica sedgwickii (FOSSIL) (Walker, 1866 †)
Tortarctica similis (FOSSIL) (J. de C. Sowerby 1825) †
Isocyprina simplex (FOSSIL) Arkell, 1934 †
Roudairia squiresi (FOSSIL) Kirby & Saul, 1995 †
Staffinella staffinensis (FOSSIL) (Anderson & Cox 1948) †
Pronoella stofordensis (FOSSIL) L.R. Cox, 1947 †
Arctica strigillata (FOSSIL) Klipstein, 1843 †
Arctica subanthooensis (FOSSIL) †
Pronoella superjurensis (FOSSIL) Fursich 1982 †
Arctica syssollae (FOSSIL) (Keyserling 1846) †
Anisocardia tenera (FOSSIL) (G.B. Sowerby, 1821 †)
Anisocardia togtonheensis (FOSSIL) Wen, 1979 †
Antiquicyprina trapezoidalis (FOSSIL) Wen, 1979 †
Izumia trapezoidalis (FOSSIL) Ichikawa & Maeda 1963 †
Anisocardia triangularis (FOSSIL) (W.I. Bean †)
Anisocardia truncata (FOSSIL) (P. Morris, 1857 †)
Plesiocyprina typica (FOSSIL) (de Loriol 1901) †
Pronoella uintahensis (FOSSIL) Imlay, 1964 †
Vectianella vectiana (FOSSIL) (Forbes) †
Pseudotrapezium ventricosum (FOSSIL) R.B. Newton, 1895 †
Procyprina venusta (FOSSIL) Casey †
Anisocardia williamsoni (FOSSIL) L.R. Cox, 1947 †