derelictus Deshayes, 1865 France Lutetian 
(49.0 - 41.3 mya)
35.4 mm
diversiformis Deshayes, 1835

France

Lutetian 
(49.0 - 41.3 mya)
 

43.8 mm
eszterhazyi Papp, 1897 Hungary

Lutetian 
(49.0 - 41.3 mya)
 

25.5 mm
eszterhazyi Papp, 1897 Hungary

Lutetian 
(49.0 - 41.3 mya)
 

29.0 mm
parisiensis Deshayes, 1865 France

Lutetian 
(49.0 - 41.3 mya)
 

32.1 mm
sulciferus Deshayes, 1835  France Bartonian 
(41.3 - 37.0 mya)
25,6 mm
sauridens      Conrad, 1833 USA Claibornian 
(52.0 - 43.0 mya)
46.7 mm
sauridens      Conrad, 1833 USA Claibornian 
(52.0 - 43.0 mya)
42.4 mm
sauridens  Conrad, 1833 USA Claibornian 
(52.0 - 43.0 mya)
31.7 mm