Where: Neuquen, Argentina (38.0° S, 70.3° W: paleocoordinates 37.1° S, 33.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lower Member (Agrio Formation), Late/Upper Valanginian (140.2 - 136.4 Ma)
• P. angulatiformis Zone, C. ornatum Subzone
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; lithified mixed carbonate-siliciclastic sediments
Size class: macrofossils
Primary reference: D. G. Lazo. 2003. The genus Steinmanella (Bivalvia, Trigonioida) in the lower member of the Agrio Formation (Lower Cretaceous), Neuquen Basin, Argentina. Journal of Paleontology 77(6):1069-1085 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 50182: authorized by Martin Aberhan, entered by Sabine Nürnberg on 10.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Steinmanella pehuenmapuensis Leanza 1998 clam |