Rahueco (Cerro Caicayen) 4 (Jurassic of Argentina)

Where: Neuquen, Argentina (37.5° S, 71.5° W: paleocoordinates 34.9° S, 33.6° W)

• coordinate estimated from map

When: Passendorferia ammonoid zone, La Manga Formation, Late/Upper Oxfordian (161.2 - 155.7 Ma)

Environment/lithology: silty 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 136307: authorized by John Alroy, entered by Julieta Martinelli on 25.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• corals
Cephalopoda
 Ammonitida - Perisphinctidae
"Perisphinctes cf. mindowe" = Perisphinctes (Subdiscosphinctes) mindowe Siemiradzki 1891 ammonite
Passendorferia cf. teresiformis Brochwicz-Lewinski 1973 ammonite
Cubasphinctes cubanensis O'Connell 1920 ammonite