Quebrada San Pedrito/Quebrada Pelado, Atacama (Jurassic of Chile)

Where: Chile (27.3° S, 69.7° W: paleocoordinates 25.3° S, 33.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Bredyia manflasensis ammonoid zone, Opalinum (175.6 - 171.6 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,

• collected since 1966

Primary reference: E. Pérez, M. Aberhan, R. Reyes and A. Hillebrandt. 2008. Early Jurassic Bivalvia of northern Chile. Part III. Order Trigonioida. Beringeria 39:51-102 [M. Aberhan/S. Nurnberg/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95070: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• trigonioids only
 Trigoniida - Groeberellidae
Groeberella neuquensis Groeber 1924 clam
 Trigoniida - Trigoniidae
Trigonia "sp. 3" Bruguière 1789 clam
Neuquenitrigonia huenickeni Leanza and Garate 1985 clam
 Trigoniida - Myophorelloidae
Scaphorella susanae n. sp. Pérez et al. 2008 clam