Granite Bay, SC1571 (Cretaceous of the United States)

Also known as Butte County pterosaurs and birds, Swan Lake

Where: Butte County, California (39.6° N, 121.5° W: paleocoordinates 46.9° N, 89.5° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Chico Formation, Campanian (83.6 - 72.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; shelly/skeletal siliciclastic sediments

• "Turbidite beds"

Size class: macrofossils

Collected by E. Göhre

Collection methods: surface (in situ),

Primary reference: R. P. Hilton, E. S. Göhre, P. G. Embree and T. A. Stidham. 1999. California's first fossil evidence of Cretaceous winged vertebrates. California Geology 52(4):4-10 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 94632: authorized by Richard Butler, entered by Richard Butler on 05.03.2010, edited by Jonathan Tennant and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Cheloniidae
Cheloniidae indet.1 Bonaparte 1832 sea turtle
 Ornithurae -
Neognathae indet. Pycraft 1900 bird
UCMP 171185, ulna
Ichthyornis sp. Marsh 1872 bird
UCMP 170785, humerus
 Pterosauria - Pteranodontidae
? Pteranodontidae indet. Marsh 1876 pterosaur
Sierra College VRF5, 6, metacarpal and ulna
 Squamata - Mosasauridae
Mosasauridae indet.2 Gervais 1852 mosasaur
 Sauropterygia -
Plesiosauria indet.2 de Blainville 1835 plesiosaur
Mammalia indet.2 Linnaeus 1758 mammal
SC VM96, left metacarpal