Where: Chile (29.0° S, 70.3° W: paleocoordinates 27.4° S, 33.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Collina chilensis ammonoid zone, Variabilis (182.0 - 175.6 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 95069: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2010

Creative Commons license: CC BY (attribution)