Genus Amphigymnium

Species total:
4
Age range:
88 - 65 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Amphigymnium Senonian Senonian
Amphigymnium cooksoniae Coniacian Campanian
Amphigymnium mitratum Senonian Senonian
Amphigymnium rigaudiae Campanian Maastrichtian