La Boca Formation

Geology

Group: Huizachal

Members: unnamed (18)

Lithologies: not reported (11), mudstone (6), siltstone (6)

Paleoenvironments: estuary/bay (5), "floodplain" (13)

Age range: base of the Pliensbachian to the top of the Early/Lower Miocene or 192.90000 to 15.98000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Pliensbachian192.9 - 184.2Mexico (Tamaulipas) (28212 105237 136967 136969 136970 136975 136977 226356 226357 226358 226359 226360 226361)
Santonian85.7 - 83.6Mexico (Baja California) (13312)
Santonian - Late/Upper Campanian85.7 - 72.2Mexico (Baja California) (54079 170929 227156)
Early/Lower Miocene23.04 - 15.98Panama (32333 32334 32336 32337 32338)