Los Barreales Lake (north slope) (Cretaceous to of Argentina)

Where: Neuquen, Argentina (38.3° S, 68.8° W: paleocoordinates 43.7° S, 48.2° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Los Bastos Formation, Early/Lower Coniacian to Early/Lower Coniacian (89.3 - 85.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

• Ephemeral fluvial channel developed over a flood plain
• Medium to large-grained sandstones

Size class: macrofossils

Primary reference: A. M. Forasiepi, R. A. Coria, J. Hurum and P. J. Currie. 2012. First dryolestoid (Mammalia, Dryolestoidea, Meridiolestida) from the Coniacian of Patagonia and new evidence on their early radiation in South America. Ameghiniana 49(4):497-504 [P. Mannion/J. Tennant/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141579: authorized by Philip Mannion, entered by Jonathan Tennant on 29.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dryolestoidea -
Meridiolestida indet. Rougier et al. 2011 mammal
MCF-PVPH 412, edentulous left dentary