Where: Chile (29.0° S, 70.3° W: paleocoordinates 31.4° S, 31.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Late/Upper Sinemurian (196.5 - 189.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified mixed carbonate-siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression, original calcite, replaced with silica
Collection methods: mechanical
Primary reference: M. Aberhan. 1992. Palokologie und zeitliche Verbreitung benthischer Faunengemeinschaften im Unterjura von Chile. Beringeria 5:1-174 [M. Kosnik/M. Kosnik]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 32420: authorized by Martin Aberhan, entered by Martin Aberhan on 30.06.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Actinostreon costatum oyster | |
Plagiostoma "sp. B" Sowerby 1814 file clam | |
Weyla alata von Buch 1838 scallop | |
Pholadomya (Pholadomya) idea d'Orbigny 1850 clam | |
Protocardia "sp. A" Beyrich 1845 cockle | |
Rhynchonellata | |
Lobothyris cf. ovatissima Quenstadt 1856 |