acrotholoides Tate, 1890 Australia Tortonian
(11.2 - 5.3 mya)
67.5 mm
aldrovandi Brocchi, 1814 Slovakia Badenian
(16.4-11.2 mya)
31.6 mm
aneuretos Hoerle, 1976 USA Chipola
(22.5 - 18.0 mya)
15.4 mm
antidiluvianus Bruguière, 1792 Denmark Messinian 
(7.1- 5.3 mya)
29.9 mm
antiquus       Lamarck, 1810 France Aquitanian 
(23.8-20.5 mya)
41.8 mm
berghausi Michelotti, 1847

Austria

Tortonian 
(11.2 - 7.1 mya)
16.2 mm
brezinae Hoernes & Auinger, 1879

Austria

Tortonian 
(11.2 - 7.1 mya)
23.4 mm
chipolanus Dall, 1896 USA Chipola Fm.
(22.5 - 18.0 mya)
36.1 mm
clavatulus Orbignyi, 1852 Italia Burdigalian
(20.5 - 16.4 mya)
51.6 mm
dujardini Deshayes, 1845 Poland Badenian
(16.4-11.2 mya)
21.5 mm
dujardini Deshayes, 1845 France Helvetian
(16.4-11.2 mya)
27.1 mm
dujardini Deshayes, 1845 Austria Tortonian 
(11.2 - 7.1 mya)
27.1 mm
enzesfeldensis Hoernes & Auinger, 1879 Austria Tortonian 
(11.2 - 7.1 mya)
37.8 mm
exaltatus Eichwald, 1830 Poland Badenian
(16.4-11.2 mya)
22.1 mm
extenuatus Tate, 1890 Australia Tortonian 
(11.2 - 5.3 mya)
56.9 mm
fuscocingulatus Bronn, 1848 Cekia Tortonian 
(11.2 - 7.1 mya)
35.4 mm
granularis Borson, 1820 Poland Badenian
(16.4-11.2 mya)
14.9 mm
helveticus Mayer, 1877 Austria Tortonian 
(11.2 - 7.1 mya)
 
isomitratus Dall, 1896 USA Chipola Fm.
(22.5 - 18.0 mya)
34.5 mm
ixion Orbigny, 1852 France Burdigalian
(20.5 - 16.4 mya)
31.9 mm
maculosus   Grateloup, 1835 France Tortonian 
(11.2 - 7.1 mya)
20.8 mm
moravicus   Hoernes & Auinger, 1879 Austria Tortonian 
(11.2 - 7.1 mya)
26.2 mm
mucronatolaevis Sacco, 1890 Poland Badenian
(16.4-11.2 mya)
15.9 mm
ponderosus Brocchi, 1814 Poland Badenian
(16.4-11.2 mya)
28.4 mm
puschi Michelotti, 1847 France Helvetian
(16.4-11.2 mya)
35.6 mm
pyrula Brocchi, 1814 Poland Badenian
(16.4-11.2 mya)
19.7 mm
rotundus Hoernes & Auinger, 1879 Austria Tortonian 
(11.2 - 7.1 mya)
29.8 mm
sulculus Dall, 1896 USA Chipola Fm.
(22.5 - 18.0 mya)
57.4 mm
ventricosus Gmelin, 1791 Poland Badenian
(16.4-11.2 mya)
46.9 mm
vindobonensis Hoernes & Auinger, 1879 Austria Tortonian 
(11.2 - 7.1 mya)
43.3 mm