Where: Neuquen, Argentina (37.0° S, 71.0° W: paleocoordinates 34.4° S, 33.2° W)
• coordinate estimated from map
When: Pseudokranaus ammonoid zone, Lotena Formation, Early/Lower Oxfordian (161.2 - 155.7 Ma)
Environment/lithology: marginal marine; limestone
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 136319: authorized by John Alroy, entered by Julieta Martinelli on 25.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Perisphinctes sp. Waagen 1869 ammonite | |
| |
Araucanites stipanicici ammonite
Araucanites cf. reyesi Westermann and Riccardi 1976 ammonite |