Where: Chile (27.4° S, 69.8° W: paleocoordinates 29.8° S, 31.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Sinemurian (196.5 - 189.6 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,
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 95424: authorized by Martin Aberhan, entered by Sabine Nürnberg on 15.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Pholadomya (Pholadomya) corrugata Koch and Dunker 1837 clam
Homomya neuquena Leanza 1942 clam |