Where: Neuquen, Argentina (36.2° S, 69.9° W: paleocoordinates 33.4° S, 32.3° W)

• coordinate stated in text

When: Patagoniense ammonoid zone, Lotena Formation, Early/Lower Oxfordian (161.2 - 155.7 Ma)

Environment/lithology: marginal marine; sandstone

Size class: macrofossils

Primary reference: H. Parent. 2006. Oxfordian and late Callovian ammonite faunas and biostratigraphy of the Neuquen-Mendoza and Tarapaca Basins (Jurassic, Ammonoidea, Western South-America). Boletin del Instituto de Fisiografia y Geologia 76(1-2):1-70 [J. Alroy/J. Martinelli]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 136310: authorized by John Alroy, entered by Julieta Martinelli on 25.11.2012

Creative Commons license: CC BY (attribution)