Rahueco (Cerro Caicayen) 2 (Jurassic of Argentina)

Where: Neuquen, Argentina (37.5° S, 71.5° W: paleocoordinates 35.0° S, 33.3° W)

• coordinate estimated from map

When: Pressulus ammonoid zone, Lotena Formation, Late/Upper Callovian (164.7 - 161.2 Ma)

Environment/lithology: marginal marine; silty 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 136305: authorized by John Alroy, entered by Julieta Martinelli on 25.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Oppeliidae
? Taramelliceras sp. Campana 1905 ammonite
sp. A
 Ammonitida - Aspidoceratidae
Euaspidoceras ajax Leanza 1947 ammonite
Euaspidoceras veranadaense Parent 2006 ammonite
Peltoceratoides pressulus Leanza 1947 ammonite
 Ammonitida - Perisphinctidae
Perisphinctes cf. picteti, "Perisphinctes cf. mazuricus" = Prososphinctes consociatus, Cubasphinctes aff. durangesis, "Tenuisphinctes herreroduclouxi" = Cubasphinctes herreroduclouxi
Perisphinctes cf. picteti de Loriol 1898 ammonite
"Perisphinctes cf. mazuricus" = Prososphinctes consociatus Bukowski 1887 ammonite
"Tenuisphinctes herreroduclouxi" = Cubasphinctes herreroduclouxi Leanza 1947 ammonite