Also known as Reef 4123

Where: Argentina (37.7° S, 70.2° W: paleocoordinates 37.2° S, 34.1° W)

• coordinate estimated from map

• 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: transition zone or lower shoreface; lithified limestone

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 61589: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.06.2006, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)