Pichaihue (Agrio Fm.) (Cretaceous of Argentina)

Where: Neuquen, Argentina (37.8° S, 70.2° W: paleocoordinates 37.3° S, 34.1° W)

• coordinate stated in text

When: Agua de la Mula Member (Agrio Formation), Late/Upper Hauterivian (136.4 - 130.0 Ma)

• The complete Agrio is exposed on the western flank of the Chorriaca anticline.

Environment/lithology: marine; shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: P. F. Rawson and M. B. Aguirre-Urreta. 2012. Lower Cretaceous ammonites from the Neuquén Basin, Argentina: The Hauterivian genus Spitidiscus. Cretaceous Research 33:97-105 [J. Alroy/J. Martinelli]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 135515: authorized by John Alroy, entered by Julieta Martinelli on 27.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Holcodiscidae
Spitidiscus kilapiae Rawson and Aguirre-Urreta 2012 ammonite
sp.nov
 Ammonitida - Crioceratitidae
Crioceratites sp. Leveillé 1837 ammonite