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 33953: authorized by Martin Aberhan, entered by Sabine Nürnberg on 11.08.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Lobothyris cf. ovatissima Quenstadt 1856 | |
Quadratirhynchia crassimedia Buckman 1917 | |
Bivalvia | |
Modiolus baylei mussel
Modiolus giganteus Quenstedt 1857 mussel | |
? Nanogyra cf. auricularis Munster 1833 oyster | |
Actinostreon costatum oyster | |
Gervillella araucana Damborenea 1987 oyster | |
Pseudolimea duplicata Sowerby 1814 file clam | |
Mesomiltha sp. Chavan 1938 clam | |
? Quenstedtia sp. Morris 1854 clam |