SDSNH 5570 Bressi Ranch fish bed: Lutetian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Ostreidae
Bivalvia - Pholadida - Corbulidae
Bivalvia - Cardiida - Veneridae
Gastropoda - Potamididae
Gastropoda - Naticidae
Gastropoda - Neogastropoda - Buccinulidae
Gastropoda - Neritidae
unclassified
"carbonized wood"
Reptilia - Testudines
1 specimen
Reptilia
Crocodilia indet. (Owen 1842)
Actinopteri - Albuliformes
Actinopteri - Pleuronectiformes - Soleidae
Actinopteri - Perciformes - Haemulidae
Actinopteri - Clupeiformes - Clupeoidei
Clupeidae indet. Cuvier 1817
Actinopteri - Siluriformes - Ariidae
Ariidae indet. Berg 1958
Chondrichthyes
"shark"
Angiospermae - Rosales - Rosaceae
see common names

Geography
Country:United States State/province:California County:San Diego
Coordinates: 33.1° North, 117.3° West (view map)
Paleocoordinates:
Basis of coordinate:based on political unit
Time
Period: Paleogene Epoch: Eocene
Stage: Lutetian 10 m.y. bin: Cenozoic 2
Key time interval: Lutetian
Age range of interval: 48.07 - 41.03 m.y. ago
Stratigraphy
Formation:Santiago Member:B
Lithology and environment
Primary lithology: siltstone
Includes fossils?Y
Lithology description: localized, thin stratum of bluish-gray, organic-rich, ripple-laminated and bioturbated siltstone
Environment:marine indet.
Geology comments: lagoonal facies directly overlie steep, irregular paleotopography suggesting a proximal depositional setting within a broader lagoonal habitat protected by adjacent headlands.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:228148
Authorizer:M. Uhen, P. Holroyd Enterer:C. McVicker, P. Holroyd, M. Uhen
Modifier:P. Holroyd Research group:vertebrate
Created:2022-11-20 14:55:55 Last modified:2025-02-22 15:12:02
Access level:the public Released:2022-11-20 14:55:55
Creative Commons license:CC0
Reference information

Primary reference:
5903. A. W. Poust, P. A. Holroyd, and T. A. Deméré. 2023. An Eocene sea turtle from the eastern North Pacific fills a Paleogene gap. Acta Palaeontologica Polonica 68(1):47-51 [A. Behrensmeyer/A. Behrensmeyer/P. Holroyd]