Where: Argentina (37.7° S, 70.0° W: paleocoordinates 37.2° S, 34.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Holcoptychites neuquensis ammonoid zone, 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; lithified siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression
Collection methods: Repository: Department of Geological Sciences, University of 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 61590: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.06.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Holcoptychites agrioensis Weaver 1931 ammonite
Holcoptychites magdalenae Douvillé 1910 ammonite |