ammonites
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Estancia Pampa Grande, Right side of the Cachi river, near Route 9 (Eocene of Argentina)

Where: Salta, Argentina (25.5° S, 65.5° W: paleocoordinates 27.9° S, 56.3° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Casamayoran mammal zone, Lumbrera Formation (Salta Group), Middle Eocene (48.6 - 37.2 Ma)

• 8 m below the "lower green zone", Lumbrera Formation, Salta Group, Santa Barbara subgroup

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; ferruginous, peloidal, red, sandy mudstone and marl

• Pelite and marl, prediminantly brick-red in color, and a little bit of sandstone.

Size class: macrofossils

Primary reference: R. Pascual. 1980. Nuevos y singulares tipos ecologicos de marsupiales extinguidos de America del Sur (Paleoceno Tardio o Eoceno Temprano) del Noroeste Argentina . Actas del Segundo congreso argentino de paleontologia y bioestratigrafia y Primer congreso latinoamericano de paleontologia 2:151-173 [J. Alroy/J. Wertheim/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20984: authorized by John Alroy, entered by Jill Wertheim on 13.06.2002

Creative Commons license: CC BY (attribution)