El Paso "Level 1" (Pliocene of Argentina)

Also known as Ca. 0.73 km upstream from the mouth of the Indio Rico

Where: Buenos Aires, Argentina (38.7° S, 60.6° W: paleocoordinates 38.7° S, 59.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Irene Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)

Environment/lithology: terrestrial; massive, brown siltstone

• The largest profile on the right margin is composed of a basal layer (level #1) of darkbrown massive silts followed by reddish-brown silts with paleosoil characteristics (level #2) and covered by a carbonatic term with a “honeycomb” erosive profile (level #3). On the opposite margin, the “Irenean” succession is cuspidated by a carbonatic greenish level (#4) and conglomeratic facies (level #5; Fig. 5).

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 191771: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 14.02.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Notoungulata - Hegetotheriidae
Paedotherium sp.
Paedotherium sp. Burmeister 1888 notoungulate
 Rodentia - Ctenomyidae
Xenodontomys sp.
Xenodontomys sp. Kraglievich 1927 caviomorph