ammonites
Humphreys (Miocene of the United States)

Also known as UCMP V2202, LACM (CIT) 441

Where: Los Angeles County, California (34.4° N, 118.4° W: paleocoordinates 34.1° N, 116.5° W)

• coordinate estimated from map

When: Towsley Formation, Messinian (7.2 - 5.3 Ma)

• Pico Formation according to Kellogg, 1929; changed to Towsley Formation based on Whitmore & Barnes, 2008; age after Beyer et al., 2009; age after Fordyce & Marx (2013)

• formation-level stratigraphic resolution

Environment/lithology: marine; calcareous sandstone

Size class: macrofossils

Preservation: original phosphate

Reposited in the UCMP

Collection methods: surface (in situ),

Primary reference: R. Kellogg. 1929. A new cetothere from southern California. University of California Publications in Geological Sciences 18(15):449-457 [M. Uhen/M. Uhen/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45499: authorized by Mark Uhen, entered by Mark Uhen on 26.10.2004

Creative Commons license: CC BY (attribution)