UCMP loc. A327, Point Mugu, Santa Monica Mountains (Miocene of the United States)

Where: Ventura County, California (34.1° N, 119.0° W: paleocoordinates 33.1° N, 112.8° W)

When: Vaqueros Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• Probably same zone as A552, A559, and lowest at A551.

Environment/lithology: coastal; calcareous shale

• Casts in a hard calcareous bed within black shale series.

Size class: macrofossils

Preservation: cast

Collected by W. H. Corey; reposited in the UCMP

Collection methods: surface (float), surface (in situ),

Primary reference: W. Loel and W. H. Corey. 1932. The Vaqueros Formation, Lower Miocene of California. I. Paleontology. University of California Publications, Bulletin of the Department of Geological Sciences 22(3):31-410 [A. Hendy/A. Hendy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 237900: authorized by Jonathan Marcot, entered by Jonathan Marcot on 19.12.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
"Pecten (Lyropecten) magnolia" = Macrochlamis magnolia, "Pecten (Lyropecten) miguelensis" = Lyropecten miguelensis
"Pecten (Lyropecten) magnolia" = Macrochlamis magnolia Conrad 1857 scallop
"Pecten (Lyropecten) miguelensis" = Lyropecten miguelensis Arnold 1906 scallop
questionable occurrence
Gastropoda
 Neogastropoda - Cancellariidae
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana Anderson 1905 snail
 Cerithioidea - Turritellidae
Turritella inezana pervulgata Merriam 1941 turret shell
Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle