Cedar Mountain (UW V-82010) (Paleocene of the United States)

Where: Hot Springs/Washakie County, Wyoming (43.9° N, 108.3° W: paleocoordinates 50.6° N, 84.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Fort Union Formation, Puercan (66.0 - 63.3 Ma)

• Earlier literature referred to this as the 'Polecat Bench Formation'

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UW

Primary reference: J. E. Hartman. 1986. Paleontology and biostratigraphy of lower part of Polecat Bench Formation, southern Bighorn Basin, Wyoming. Contributions to Geology, University of Wyoming 24(1):11-63 [J. Alroy/M. Sommers]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14805: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• some herps may be from other localities described by Hartman, but the "majority" of them are from here
Angiospermae
 Fagales - Juglandaceae
""Carya" antiquorum" = Hicoria antiquora
""Carya" antiquorum" = Hicoria antiquora Newberry 1868
 Vitales - Vitaceae
 Cornales - Cornaceae
Cornus nebrascensis Schimper 1874 dogwood
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum genetrix Newberry 1868 katsura
 Proteales - Platanaceae
Platanus raynoldsii Newberry 1868 plane tree
Gnathostomata
  -
Amphibia
 Caudata - Urodela
Habrosaurus dilatus Gilmore 1928 siren
Scapherpeton tectum Cope 1876 salamander
Mammalia
 Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940 multituberculate
 Procreodi - Arctocyonidae
Arctocyonidae indet. Murray 1866 condylarth
 Acreodi - Triisodontidae
"Triisodontinae indet." = Triisodontidae
"Triisodontinae indet." = Triisodontidae Scott 1892 placental
 Theriamorpha - Herpetotheriidae
Peradectes sp. Matthew and Granger 1921 marsupial
Reptilia
 Testudinata -
Testudinata indet. Oppel 1811 turtle
Compsemys victa Leidy 1856 turtle
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Squamata -
Squamata indet. squamates
 Squamata - Iguanidae
cf. Swainiguanoides sp. Sullivan 1982 squamates
 Squamata - Anguidae
Anguidae indet. Gray 1825 squamates
cf. Machaerosaurus sp. Gilmore 1928 squamates
Odaxosaurus piger Gilmore 1928 squamates
 Loricata -
Crocodylia indet. crocodilian
 Crocodylia - Crocodylidae
 Crocodylia - Alligatoridae
Allognathosuchus sp. Mook 1921 crocodilian
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Actinopteri
 Lepisosteiformes - Lepisosteidae
"Atractosteus occidentalis" = Lepisosteus occidentalis
"Atractosteus occidentalis" = Lepisosteus occidentalis Leidy 1856 gar
"Astractosteus"
 Amiiformes - Amiidae
Amia sp. Linnaeus 1766 bowfin