LACMIP 41798: Gelasian, California
collected by Alexandra Buczek, Austin Hendy 2017

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Unsorted fossils
Thecostraca - Balanomorpha - Balanidae
Balanidae indet. Leach 1817
Gastropoda - Neogastropoda - Columbellidae
Mitrella tuberosa (Carpenter 1864)
Mitrella gausapata (Gould 1850)
Gastropoda - Procerithiidae
Lirobittium casmaliense (Bartsch 1911)
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula princeps Conrad 1855
Bivalvia - Pandorida - Pandoridae
Pandora bilirata Conrad 1855
recombined as Pandora (Pandorella) bilirata
Bivalvia - Pectinida - Pectinidae
Lituyapecten dilleri (Dall 1901)
see common names

Geography
Country:United States State/province:California County:Santa Maria
Coordinates: 34.9° North, 120.5° West (view map)
Paleocoordinates:34.8° North, 119.9° West
Time
Period:Quaternary Epoch:Pleistocene
Stage:Gelasian 10 m.y. bin:Cenozoic 6
Key time interval:Gelasian
Age range of interval:2.58000 - 1.80000 m.y. ago
Age estimate:2.0 to 1.75 Ma (Sr isotope)
Stratigraphy
Formation:Foxen Mudstone
Lithology and environment
Primary lithology: lithified mudstone
Secondary lithology: siltstone
Lithology description: The Foxen Mudstone consists primarily of gray mudstone and clayey siltstone with diatomaceous shale interbedded in its lower part. Limestone concretions and phosphatic pellets are widespread throughout. Lenticular conglomerates are present at the base of the section.
Environment:marine indet.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils,mesofossils,microfossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:LACM
Collectors:Alexandra Buczek, Austin Hendy Collection dates:2017
Metadata
Also known as:AB170604, Foxen Mudstone, Shuman Cut
Database number:214282
Authorizer:J. Sessa Enterer:A. Buczek
Modifier:A. Buczek Research group:marine invertebrate
Created:2020-09-22 10:10:40 Last modified:2020-09-22 10:20:34
Access level:the public Released:2020-09-22 10:10:40
Creative Commons license:CC BY
Reference information

Primary reference:

72722. A. Buczek, A. Hendy, M. Hopkins and J. Sessa. 2020. On the reconciliation of biostratigraphy and strontium isotope stratigraphy of three southern Californian Plio-Pleistocene formations. Geological Society America Bulletin 133(1-2):100-114 [A. Hendy/A. Hendy/J. Marcot]