Quebrada El Bolito, Atacama (Jurassic of Chile)

Where: Chile (27.2° S, 69.6° W: paleocoordinates 25.2° S, 33.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• ammonoid zone: details given for trigonioids only

• 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: M. Aberhan. 2004. Early Jurassic Bivalvia of northern Chile. Part II. Subclass Anomalodesmata. Beringeria 34:117-154 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95073: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• trigonioids and anomalodesmatans only
Bivalvia
 Trigoniida - Myophorelloidae
Myophorella (Myophorella) bolitoensis n. sp. Pérez et al. 2008 clam
 Trigoniida - Trigoniidae
Neuquenitrigonia huenickeni Leanza and Garate 1985 clam
 Pholadida - Pleuromyidae
Pleuromya uniformis Sowerby 1813 clam