El Rayo Formation

Geology

Members: unnamed (6)

Lithologies: "shale" (1), "limestone" (6), tuff (1)

Paleoenvironments: marine indet. (1), carbonate indet. (1), shallow subtidal indet. (3), platform/shelf-margin reef (1)

Age range: base of the Late/Upper Campanian to the top of the Late/Upper Maastrichtian or 83.60000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2Puerto Rico (66836)
Early/Lower Maastrichtian72.2 - 66.0USA (Puerto Rico) (275571)
Early/Lower Maastrichtian72.2 - 66.0Puerto Rico (66738 216440)
Late/Upper Maastrichtian72.2 - 66.0Puerto Rico (66830)
Maastrichtian72.2 - 66.0USA (Puerto Rico) (89475)