Cerro Negro de Covunco (CPBA collection) (Cretaceous of Argentina)

Where: Argentina (38.7° S, 70.0° W: paleocoordinates 38.2° S, 33.8° 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 (H. neuquensis and H. agrioensis subzones)

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified siltstone and lithified limestone

• shoreface to offshore paleoenvironments on a storm-dominated, shallow marine ramp
• grey to greenish siltstones and massive sandy oolitic limestones

Size class: macrofossils

Collection methods: Repository: Catedra de Paleontologia, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (CPBA)

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 61658: authorized by Wolfgang Kiessling, entered by Uta Merkel on 22.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Holcodiscidae
Holcoptychites cf. magdalenae, Holcoptychites cf. recopei
Holcoptychites cf. magdalenae Douvillé 1910 ammonite
Holcoptychites cf. recopei Douvillé 1910 ammonite