Ferris Formation (UW V-93033) (Cretaceous of the United States)

Also known as The End of The World; UW V-90126

Where: Carbon County, Wyoming (41.8° N, 107.0° W: paleocoordinates 48.8° N, 82.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Medicine Bow Formation, Lancian (70.6 - 66.0 Ma)

• said to be late Puercan

• bed-level stratigraphic resolution

Environment/lithology: terrestrial

Reposited in the UW

Primary reference: J. A. Lillegraven and J. J. Eberle. 1999. Vertebrate faunal changes through Lancian and Puercan time in southern Wyoming. Journal of Paleontology 73(4):691-710 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 70340: authorized by John Alroy, entered by John Alroy on 21.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Neornithischia - Thescelosauridae
Thescelosauridae indet. Sternberg 1937 ornithischian
 Theropoda - Tyrannosauridae
Aublysodon mirandus Leidy 1868 tyrannosaurid
UW 26251
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
UW 29024
 Amiiformes - Amiidae
"Cyclurus fragosa" = Cyclurus fragosus
"Cyclurus fragosa" = Cyclurus fragosus Jordan 1927 bowfin
UW 29019
Chondrichthyes
 Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876 guitarfish
UW 29017