ammonites

Las Aguaditas Formation

Geology

Members: unnamed (25), Top Breccia (2)

Lithologies: claystone (24), mudstone (3), marl (23), "limestone" (1), chert (3)

Paleoenvironments: marine indet. (3), deep subtidal shelf (24)

Age range: base of the Late/Upper Llanvirn to the top of the Costonian or 463.500 to 457.500 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Llanvirn463.5 - 460.9Argentina (San Juan) (73371 73372 73374 73375 73377)
Costonian460.9 - 457.5Argentina (San Juan) (70621 70622 70623 70624 70625 70626 70627 70628 73368 73369 73370 73379 73378 73380 73388 115230 115231 115232)
Caradoc460.9 - 449.5Argentina (8776)
Caradocian460.9 - 449.5Argentina (San Juan) (115227 115228 115229)