Where: Neuquen, Argentina (38.9° S, 70.2° W: paleocoordinates 37.0° S, 32.4° W)

• coordinate estimated from map

When: Internispinosum ammonoid zone, Los Catutos Member (Vaca Muerta Formation), Middle Tithonian (150.8 - 145.0 Ma)

• This is bed 'w' from the member, younger than 'z'. It is below the Upper Vaca Muerta member

Environment/lithology: marine; peloidal, yellow lime mudstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: H. Leanza, A. Zeiss, A. Cione, W.C. Dullo, E. Flugel, J.I. Carate-Zubillaga, and Z. Gasparini. 1990. Upper Jurassic Lithographic Limestones from Argentina (Neuquen Basin): Stratigraphy and Fossils. Facies 22:169-186 [J. Alroy/J. Martinelli]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 135633: authorized by John Alroy, entered by Julieta Martinelli on 28.10.2012

Creative Commons license: CC BY (attribution)