Where: Argentina (38.6° S, 70.1° W: paleocoordinates 36.8° S, 32.4° W)
• coordinate estimated from map
When: Pseudolissoceras zitteli + Virgatosphinctes mendozanus ammonoid zone, Portada Covunco Member (Vaca Muerta Formation), Early/Lower Tithonian to Early/Lower Tithonian (150.8 - 145.0 Ma)
• The Vaca Muerta Fm. in transect MQ-III, although not observed up to its uppermost part (locally assigned to the Koeneni Z.) shows the three characteristic lithostratigraphic subdivisions, from below: the Portada Covunco, Los Catutos and Pichi Moncol (pars) members.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, calcareous sandstone
Size class: macrofossils
Preservation: cast, original aragonite
Primary reference: A. C. Garrido, H. Parent, and L. Brambilla. 2018. Tithonian stratigraphy and ammonite fauna of the Vaca Muerta Formation in Mallín Quemado (Neuquén Basin, Argentina), with remarks on the Andean chronostratigraphy. Volumina Jurassica XVI(1):1-26 [A. Kocsis/M. Gomez Correa]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 200687: authorized by Adam Kocsis, entered by Monica Alejandra Gomez Correa on 13.04.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Catutosphinctes aff. guenenakenensis Parent et al. 2011 ammonite |