Coamo Formation

Geology

Members: unnamed (2), "Trujillo Alto" (1)

Lithologies: "shale" (2), "limestone" (1)

Paleoenvironments: marine indet. (2), reef, buildup or bioherm (1)

Age range: base of the Early/Lower Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Maastrichtian72.2 - 66.0Puerto Rico (66690 66691)
Danian66.0 - 61.66Puerto Rico (87547)