Genus Orbicularia

Species total:
29
Age range:
250 - 94 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Orbicularia Kazanian Kazanian
Orbicularia aktschhagilensis Bathonian Bathonian
Orbicularia aliferiniformis Late Bajocian Kimmeridgian
Orbicularia asymmetrica Middle Jurassic Middle Jurassic
Orbicularia aznagulensis Bathonian Kimmeridgian
Orbicularia biangulina Early Jurassic Middle Albian
Orbicularia biconvexa Middle Jurassic Early Bathonian
Orbicularia biconvexiformis Late Jurassic Middle Jurassic
Orbicularia commersa Middle Jurassic Middle Jurassic
Orbicularia compacta Early Jurassic Middle Jurassic
Orbicularia conformis Middle Jurassic Middle Jurassic
Orbicularia cretacea Albian Cenomanian
Orbicularia dipteriparvipteris Rhaetian Rhaetian
Orbicularia elgonata Early Cretaceous Early Cretaceous
Orbicularia elongata Valanginian Valanginian
Orbicularia eusphaerica Late Jurassic Late Jurassic
Orbicularia gamiformis Middle Jurassic Middle Jurassic