Aguja Formation

Geology
Age range: base of the Judithian to the top of the Early/Lower Maastrichtian or 83.50000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Cretaceous100.5 - 66.0Mexico (80284)
Campanian83.6 - 72.1Mexico (Coahuila) (113768 171006 170937 170938 170939 170940)
Campanian83.6 - 72.1Mexico (Chihuahua) (35353 170941)
Campanian83.6 - 72.1USA (Texas) (165198 200450)
Early/Lower Campanian83.5 - 70.6USA (Texas) (200385 200394 200395 200396 200397 200399 200400 200401 200402)
Judithian83.5 - 70.6USA (Texas) (14488 14489 48941 52462 52463 52464 151416)
Late/Upper Campanian83.5 - 70.6Mexico (Coahuila) (99139)
Late/Upper Campanian83.5 - 70.6Mexico (Chihuahua) (35707 171007)
Late/Upper Campanian83.5 - 70.6USA (Texas) (22709 25073 36635 68001 68002 68003 68004 68005 68006 68012 68013 68014 68015 68016 96601 109658 143522 200421 200447)
Middle Campanian83.5 - 70.6USA (Texas) (7466 7467 7468 7469 7470 90032 90466)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Texas) (115413 115414)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (Texas) (94373)
Late/Upper Campanian - Maastrichtian83.5 - 66.0USA (Texas) (165197 189800 189801 189802 189803 189813 191054 200449)
Maastrichtian72.1 - 66.0USA (Texas) (150883 189791 189792 189793 189794 189795 189796 189797 189798 189799 189804 189805 189807 189808 189809 189810 189811 189812 189814 189815 191055 200448)
Early/Lower Maastrichtian70.6 - 66.0USA (Texas) (68007 68008 109657)