Pichaihue, Lower Member of Agrio Fm., H. gentilii Zone (Cretaceous of Argentina)

Where: Neuquen, Argentina (37.8° S, 70.5° W: paleocoordinates 37.4° S, 34.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lower Member (Agrio Formation), Early/Lower Hauterivian (136.4 - 130.0 Ma)

• H. gentilii Zone

• bed-level stratigraphic resolution

Environment/lithology: shoreface; lithified mixed carbonate-siliciclastic sediments

• Intercalated shales, sandstones and bioclastic limestones. Shoreface to offshore paleoenvironments on a storm-dominated, shallow marine ramp.

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 50185: authorized by Martin Aberhan, entered by Sabine Nürnberg on 10.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Trigoniida - Myophorelloidae
Steinmanella transitoria
Steinmanella transitoria Steinmann 1881 clam