Piedra Museo Lower Unit 2 (Pleistocene of Argentina)

Where: Santa Cruz, Argentina (47.9° S, 67.9° W: paleocoordinates 47.9° S, 67.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• earlier papers defined six units, but here the latter five are collapsed into unit 2; this collection combines all unit 2 material from below a charcoal later at 185 cm and down to about 225 cm

•six C14 dates on bone and charcoal from a narrow interval within this unit are dated at 10390 +/- 70 through 12890 +/- 90 ybp, calibrated at 10000-10700 through 12500-14000 ybp

• group of beds-level stratigraphic resolution

Environment/lithology: cave; sandstone

• rock shelter
• bottom 30 cm is a "couche sableuse"

Size class: macrofossils

Preservation: anthropogenic

Collected in 1990 - 1999

Collection methods: quarrying,

Primary reference: F. V. Ramirez Rozzi, F. d'Errico, and M. A. Zarate. 2000. Le site paléo-indien de Piedra Museo (Patagonie). Sa contribution au débat sur le premier peuplement du continent amérlcaln. Comptes Rendus de l'Académie des Sciences Series IIA Earth and Planetary Science 331(4):311-318 [J. Alroy/J. Alroy/O. Alfaro]more details

Purpose of describing collection: archaeological analysis

PaleoDB collection 73844: authorized by John Alroy, entered by John Alroy on 03.07.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

  - Mylodontidae
Mylodon sp. Owen 1859 edentate
 Perissodactyla - Equidae
"Hippidium saldiasi" = Hippidion
"Hippidium saldiasi" = Hippidion horse
 Artiodactyla - Camelidae
Lama guanicoe Müller 1776 guanaco
Lama gracilis Gervais and Ameghino 1980 camel