Windy Hill (Cretaceous of the United States)

Also known as UCMP V-72207

Where: Garfield County, Montana (47.6° N, 106.3° W: paleocoordinates 54.2° N, 79.3° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coarse channel fill; sandstone

Size class: mesofossils

Reposited in the UCMP

Collection methods: surface (float),

Primary reference: J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14654: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
Gnathostomata
  -
Actinopteri
 Amiiformes - Amiidae
Amia fragosa Jordan 1927 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. de Lacep├Ęde 1803 gar
Lepisosteus occidentalis Leidy 1856 gar
Osteichthyes
 Caudata -
Caudata indet. salamander
 Caudata - Urodela
Habrosaurus dilatus Gilmore 1928 siren
Scapherpeton tectum Cope 1876 salamander
Reptilia
  -
Reptilia indet. Laurenti 1768 reptile
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Compsemydidae
Compsemys victa Leidy 1856 turtle
 Testudines - Baenidae
Stygiochelys estesi Gaffney and Hiatt 1971 turtle
 Testudines -
Cryptodira indet. Cope 1868 turtle
 Testudines - Nanhsiungchelyidae
Basilemys sp. Hay 1902 turtle
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Testudines - Pantrionychidae
Plastomenus sp. Cope 1873 turtle
 Sauria -
 Theropoda -
 Avetheropoda -
Paronychodon sp. Cope 1876 coelurosaur
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906 tyrannosaurid
 Avetheropoda - Coeluridae
Coeluridae indet. Marsh 1881 coelurid
 Ornithischia -
Ornithischia indet. ornithischian
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Neornithischia - Hypsilophodontidae
cf. Hypsilophodontidae indet. Dollo 1882 hypsilophodontid
 Neornithischia - Thescelosauridae
Thescelosaurus sp. Gilmore 1913 ornithischian
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
 Crocodylia -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian
 Crocodylia - Crocodylidae
Crocodylidae indet. Cuvier 1807 crocodile
 Crocodylia - Alligatoridae
Brachychampsa montana Gilmore 1911 crocodilian
 Squamata - Anguidae
Anguidae indet. Gray 1825 lizard
 Squamata - Chamopsiidae
Leptochamops denticulatus Gilmore 1928 lizard
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Champsosaurus natator Parks 1933 choristodere
Mammalia
 Tribosphenida -
"Cimolestes cf. cerberoides" = Ambilestes cerberoides
"Cimolestes cf. cerberoides" = Ambilestes cerberoides Lillegraven 1969 eutherian
 Didelphimorphia - Stagodontidae
Didelphodon vorax Marsh 1889 marsupial
 Multituberculata - Cimolomyidae
Meniscoessus robustus Marsh 1889 multituberculate