Flexoptychites acutus (FOSSIL) (Mojsisovic, 1882 †)
Flexoptychites angustoumbilicatus (FOSSIL) (Bockh, 1873 †)
Ptychites besnosovi (FOSSIL) Shevyrev, 1995 †
Flexoptychites bugunzhensis (FOSSIL) Shevyrev, 1968 †
Lanceoptychites charlyanus (FOSSIL) (Diener, 1900 †)
Ptychites densistriatus (FOSSIL) Bucher, 1992 †
Ptychites domatus (FOSSIL) Silberling & Tozer,1968 †
Arctoptychites euglyphus (FOSSIL) (Mojsisovics, 1886 †)
Ptychites evansi (FOSSIL) Smith, 1914 †
Flexoptychites flexuosus (FOSSIL) (Mojsisovic, 1882 †)
Ptychites gradinarui (FOSSIL) Bucher, 1992 †
Ptychites guloensis (FOSSIL) Tozer, 1994 †
Ptychites hamatus (FOSSIL) Tozer, 1994 †
Lanceoptychites indistinctus (FOSSIL) (Mojsisovic, 1882 †)
Aristoptychites kolymensis (FOSSIL) Kiparisova, 1937 †
Malletoptychites kotschetkovi (FOSSIL) A.M. Popov, 1961 †
Arctoptychites kruzini (FOSSIL) Bytschkov, 1976 †
Arctoptychites lingulatus (FOSSIL) Tozer, 1994 †
Flexoptychites matsushimaensis (FOSSIL) Bando, 1964 †
Ptychites miyagiensis (FOSSIL) Bando, 1964 †
Istreites nanuk (FOSSIL) Tozer, 1961 †
Ptychites nipponicus (FOSSIL) Bando, 1964 †
Ptychites oppeli (FOSSIL) (Mojsisovic, 1882 †)
Ptychites opulentus (FOSSIL) (Mojsisovics, 1882 †)
Ptychites pseudoeuglyphus (FOSSIL) Konstantinov, 1991 †
Ptychites stachei (FOSSIL) (Mojsisovics, 1882 †)
Lanceoptychites styx (FOSSIL) Balini, 1998 †
Eosturia towaensis (FOSSIL) Bando & Ehiro, 1982 †
Ptychites trochleaeformis (FOSSIL) (Lindstroem, 1865 †)
Lanceoptychites velox (FOSSIL) Balini, 1998 †
Ptychites wrighti (FOSSIL) McLearn, 1946 †