Poyer's Quarry (Miocene to of the United States)

Also known as Calabasas

Where: Los Angeles County, California (34.2° N, 118.7° W: paleocoordinates 33.7° N, 116.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Modelo Formation, Late/Upper Miocene to Late/Upper Miocene (11.6 - 3.6 Ma)

• "late Miocene or early Pliocene"

Environment/lithology: offshore; lithified, diatomaceous, argillaceous shale

• "The material probably represents a relatively shallow inland sea deposit rather than an estuarine one, as indicated by the presence of sponges"
• "extremely fine grained and homogeneous, splitting into thin lamellae... argillaceous-diatomaceous shale with considerable lime content" including "diatoms and sponge spicules"

Size class: macrofossils

Preservation: adpression, soft parts

Collected by D. J. Poyer

Collection methods: quarrying,

• UCLA collection

•locality is a commercial rock quarry

Primary reference: L. Miller. 1929. A new cormorant from the Miocene of California. Condor 31(4):167-172 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85203: authorized by John Alroy, entered by John Alroy on 05.12.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• there are also "numerous fish remains of various sizes and some very beautiful specimens of marine algae"
Aves
 Suliformes - Phalacrocoracidae
Phalacrocorax femoralis n. sp. Miller 1929 cormorant