Barranca Parodi (Zone of Akodon (Akodon) lorenzinii) (Pliocene of Argentina)

Also known as beds from paleosol 9 to paleosol 11 of Zarate, 1989

Where: Buenos Aires, Argentina (38.1° S, 57.7° W: paleocoordinates 38.2° S, 56.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Zone of Akodon (Akodon) lorenzinii zone, Vorohuen Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)

• This zone is the biostratigraphic basis for the Vorohuean.

•roughly the Vorohuen “Formation” of Kraglievich, 1952

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; paleosol/pedogenic lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: A. L. Cione and E. P. Tonni. 1996. Reassesment of the Pliocene-Pleistocene continental time scale of Southern South America. Correlation of the type Chapadmalalan with Bolivian sections. Journal of South American Earth Sciences 9(3/4):221-236 [P. Mannion/M. Kouvari/M. Kouvari]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 199157: authorized by Philip Mannion, entered by Miranta Kouvari on 23.01.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chapadmalania sp.
Taxon with last record on this zone
Mammalia
 Rodentia - Cricetidae
Akodon (Akodon) lorenzinii Reig 1987 akodont
Taxon ranging from the zone to younger levels
Cholomys pearsoni Reig 1980 mouse
Akodon (Abrothrix) magnus Reig 1987 mouse
Dankomys "n. sp." Reig 1978 mouse
Taxon with last record on this zone
 Rodentia - Caviidae
Dolicavia sp. Ameghino 1916 caviomorph
Taxon with last record on this zone
 Perissodactyla - Equidae
Hippidion sp. Owen 1869 horse
Taxon ranging from the zone to younger levels
 Carnivora - Mustelidae
 Carnivora - Canidae
"Pseudalopex sp." = Canis (Pseudalopex)
"Pseudalopex sp." = Canis (Pseudalopex) Burmeister 1856 canine
Taxon ranging from the zone to younger levels
 Xenarthra - Mylodontidae
Glossotherium sp. Owen 1840 edentate
Taxon ranging from the zone to younger levels
 Xenarthra - Megatheriidae
Megatherium sp. Cuvier 1796 edentate
Taxon ranging from the zone to younger levels
 Didelphimorphia - Didelphidae
Sparassocynus derivatus opossum
Taxon with last record on this zone