Windy Mudstone (UW V-91004) (Paleocene of the United States)

Where: Carbon County, Wyoming (41.9° N, 106.9° W: paleocoordinates 48.5° N, 84.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Ferris Formation, Puercan (66.0 - 63.3 Ma)

• said to be early Puercan

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone

Size classes: macrofossils, mesofossils

Reposited in the UW

Primary reference: J. J. Eberle and J. A. Lillegraven. 1998. A new important record of earliest Cenozoic mammalian history: geologic setting, Multituberculata, and Peradectia. Rocky Mountain Geology 33(1):3-47 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14796: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• Ornithomimus cf. velox, UW 26303 is probably a reworked Lancian fossil in this collection.
Mammalia
 Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940 multituberculate
? Mesodma sp. Jepsen 1940 multituberculate
Mesodma ambigua Jepsen 1940 multituberculate
Mesodma hensleighi Lillegraven 1969 multituberculate
Mesodma formosa Marsh 1889 multituberculate
 Procreodi - Arctocyonidae
Protungulatum sloani Van Valen 1978 condylarth
Protungulatum donnae Sloan and Van Valen 1965 condylarth
Mimatuta sp. Van Valen 1978 condylarth
Oxyprimus sp. Van Valen 1978 condylarth
Oxyprimus galadrielae Van Valen 1978 condylarth
 Eutheria -
Proteutheria indet. Romer 1966 eutherian
 Theriamorpha - Herpetotheriidae
Thylacodon cf. pusillus1 Matthew and Granger 1921 marsupial
Reptilia
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
UW 27239
 Squamata - Anguidae
Odaxosaurus piger2 Gilmore 1928 squamates
UW 27243
 Loricata -
Eusuchia indet.2 Huxley 1875 crocodilian
UW 27298 ("Leidyosuchus")
 Crocodylia - Alligatoridae
Allognathosuchus sp.2 Mook 1921 crocodilian
UW 26532
Aves
  -
Aves indet.2 Linnaeus 1758 bird
UW 27204
Reptilia
 Choristodera -
Champsosaurus sp.2 Cope 1876 choristodere
UW 26533
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.2 Cuvier 1825 gar
UW 26534
 Amiiformes - Amiidae
"Cyclurus fragosa" = Cyclurus fragosus2
"Cyclurus fragosa" = Cyclurus fragosus2 Jordan 1927 bowfin
UW 26535, 27264
 Teleostei -
Teleostei indet.2
UW 27357