Where: Argentina (37.1° S, 69.9° W: paleocoordinates 36.5° S, 33.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pilmatué Member (Agrio Formation), Early/Lower Hauterivian (136.4 - 130.0 Ma)

• upper part of the lower member (Pilmatué) of the Agrio Formation; Holcoptychites neuquensis zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine

Size class: macrofossils

Primary reference: M. B. Aguirre-Urreta and P. F. Rawson. 2003. Lower Cretaceous ammonites from the Neuquén Basin, Argentina: the Hauterivian genus Holcoptychites. Cretaceous Research 24(5):589-613 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61586: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.06.2006

Creative Commons license: CC BY (attribution)