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