Where: Chile (28.7° S, 70.3° W: paleocoordinates 27.2° S, 33.1° W)
• coordinate stated in text
• hand sample-level geographic resolution
When: Collina chilensis ammonoid zone, Variabilis (182.0 - 175.6 Ma)
• bed-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 95072: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Trigonia "sp. 1" Bruguière 1789 clam |