Arroyo FrÃas (Pleistocene of Argentina)
Where: Buenos Aires, Argentina (34.6° S, 59.4° W: paleocoordinates 34.6° S, 59.4° W)
• coordinate based on nearby landmark
When: Buenos Aires Formation, Middle Pleistocene (0.8 - 0.1 Ma)
Environment/lithology: terrestrial; sandstone
• The sequence is mostly formed by typical pampean loess that is brown in colour, with a reddish tinge, devoid of clear stratification, stand in vertical walls, possess tubes and rhizolithes of calcium carbonate or calcretes. It is characterized by the abundance of sand and volcanic glass and silt of coarse grain-size
Size class: macrofossils
Primary reference: F. L. Agnolin. 2021. A new tortoise from the Pleistocene of Argentina with comments on the extinction of Late Pleistocene tortoises and plant communities. Paleontological Journal 55(8):913-922 [E. Vlachos/E. Vlachos/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 223987: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 21.12.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
|
| |
| Reptilia | |
Chelonoidis petrocellii n. sp.
Chelonoidis petrocellii n. sp. Agnolin 2021 turtle MCA 2024, partial anterior half of carapace and plastron, 3 incomplete cervical vertebrae, and right incomplete pectoral girdle
| |