Where: Shasta County, California (41.3° N, 122.3° W: paleocoordinates 30.0° N, 57.5° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Potem Formation, Early/Lower Jurassic to Early/Lower Jurassic (201.4 - 161.5 Ma)
• formation-level stratigraphic resolution
Environment/lithology: foreshore; fine-grained siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression, original calcite
Primary reference: A. F. Sanborn. 1960. Geology and Paleontology of the southwest quarter of the Big Bend Quadrangle, Shasta County, California. California Division of Mines, Special Report 63 18-26 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 38347: authorized by Martin Aberhan, entered by Sabine Nürnberg on 20.04.2004, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Ostrea sp. Linnaeus 1758 oyster | |
Gryphaea sp. Lamarck 1801 oyster | |
Lingulata | |
Orbiculoidea indet. d'Orbigny 1847 | |
Lingula sp. Bruguiére 1797 | |
Anthozoa | |
"Astrocoenia" sp. Milne-Edwards and Haime 1848 stony coral |