Quebrada El Peñon, Atacama (Jurassic of Chile)

Where: Chile (27.1° S, 69.1° W: paleocoordinates 27.3° S, 31.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithology not reported

Size class: macrofossils

Preservation: mold/impression, original calcite, replaced with silica

Collection methods: mechanical, acetic,

Primary reference: M. Aberhan. 1994. Early Jurassic Bivalvia of northern Chile. Part I. Subclasses Palaeotaxodonta, Pteriomorphia, and Isofilibranchia. Beringeria 13:3-115 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95406: authorized by Martin Aberhan, entered by Sabine Nürnberg on 15.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• bivalves only
Bivalvia
 Pholadomyida - Pholadomyidae
 Pholadida - Ceratomyidae
Gresslya "sp. A" Agassiz 1843 clam
 Pectinida - Neitheoidae
Weyla (Weyla) titan Moricke 1894 scallop
 Ostreida - Malleidae