Chacay Melehue 4 (Jurassic of Argentina)

Where: Neuquen, Argentina (37.0° S, 71.0° W: paleocoordinates 34.4° S, 33.2° W)

• coordinate estimated from map

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

Environment/lithology: marginal marine; sandy marl

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 135767: authorized by John Alroy, entered by Julieta Martinelli on 07.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Perisphinctidae
"Tenuisphinctes herreroduclouxi" = Cubasphinctes herreroduclouxi
"Tenuisphinctes herreroduclouxi" = Cubasphinctes herreroduclouxi Leanza 1947 ammonite
 Ammonitida - Aspidoceratidae
Peltoceratoides pressulus Leanza 1947 ammonite