Where: Neuquen, Argentina (40.1° S, 70.3° W: paleocoordinates 40.4° S, 28.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Piedra Pintada Formation, Pliensbachian (190.8 - 182.7 Ma)

• formation also known as Lajas

• bed-level stratigraphic resolution

Environment/lithology: marine; tuffaceous, yellow sandstone

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: S. E. Damborenea. 1987. Early Jurassic Bivalvia of Argentina: Part 1, Stratigraphical introduction and superfamilies Nuculanacea, Arcacea, Mytilacea and Pinnacea. Palaeontographica A199(1-3):23-111 [W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 33859: authorized by Arnold Miller, entered by Karen Layou on 07.08.2003

Creative Commons license: CC BY (attribution)