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Chorrillo Formation

Geology

Members: unnamed (5), Lower (10), Middle (11), Upper (10)

Lithologies: not reported (2), claystone (8), mudstone (26)

Paleoenvironments: terrestrial indet. (32), "floodplain" (3), mire/swamp (1)

Age range: Early/Lower Maastrichtian or 72.20000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Maastrichtian72.2 - 66.0Argentina (Santa Cruz) (51622 51623 206967 206968 206969 206970 220170 221115 227004 227005 227006 230107 231725 231726 231735 231736 231737 231738 231739 231740 231741 231742 231743 231744 231745 231746 231747 231748 231749 231750 234712 234713 240579 240581 240582 240583)