Chacay Melehue 5 (Jurassic of Argentina)

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

• coordinate estimated from map

When: Pseudokranaus ammonoid zone, La Manga Formation, Middle Oxfordian (161.2 - 155.7 Ma)

Environment/lithology: 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 135768: authorized by John Alroy, entered by Julieta Martinelli on 07.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Perisphinctidae
"Perisphinctes promiscuus" = Perisphinctes (Kranaosphinctes) promiscuus Bukowski 1887 ammonite
Subvinalesphinctes prophetae Gygi and Hillebrandt 1991 ammonite
Subvinalesphinctes pseudokranaus Parent et al. 2006 ammonite