Paso del Medano "Level #4" (Pliocene of Argentina)

Also known as Ca. 12 km upstream from the mouth of the Quequén Salado

Where: Buenos Aires, Argentina (38.8° S, 60.5° W: paleocoordinates 38.9° S, 59.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Irene Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)

Environment/lithology: terrestrial; green, yellow, sandy siltstone

• The levels recorded in 1992 included a basal layer (level #1) of very tenacious carbonatic dark brown silts covered by a lens of well-rounded sabulitic gravels (level #2; Fig. 8). The overlying level #3 was a very hard yellowish-brown to pinkish-brown sandy silt with calcrete nodules and crotovines. The succession ended with a yellowish-green sandy silt of massive nature.

Size class: macrofossils

Reposited in the MLP

Primary reference: U. F. J. Pardinas, F. J. Prevosti, D. Voglino and M. Cenizo. 2017. A controversial unit within the argentine neogene: the “Irenean” fauna. Ameghiniana 54(6):655-680 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191778: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 14.02.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cingulata - Glyptodontidae
Glyptodontidae indet. Burmeister 1879 glyptodon
 Cingulata - Pampatheriidae
Pampatheriidae indet. Paula Couto 1954 edentate