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
Size class: macrofossils
Collected by Recope
• Repository: UFR des Sciences de la Terre, Universite Claude Bernard, Lyon, formerly in the Laboratorie de Paleontologie de l’Ecole des Mines, Paris)
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 179322: authorized by Matthew Clapham, entered by Matthew Clapham on 12.06.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Holcodiscus magdalenae n. sp." = Holcoptychites magdalenae, "Polyptychites neuquensis n. sp." = Holcoptychites neuquensis, "Holcodiscus recopei n. sp." = Holcoptychites recopei
"Holcodiscus magdalenae n. sp." = Holcoptychites magdalenae Douvillé 1910 ammonite
"Polyptychites neuquensis n. sp." = Holcoptychites neuquensis Douvillé 1910 ammonite
"Holcodiscus recopei n. sp." = Holcoptychites recopei Douvillé 1910 ammonite |