Engdahl Anthills 3 (Cretaceous of the United States)

Also known as UCMP V-73077

Where: Garfield County, Montana (47.6° N, 107.1° W: paleocoordinates 54.3° N, 80.2° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: mesofossils

Reposited in the UCMP

Collection methods: bulk, surface (float), anthill, sieve,

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 14535: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Lonchidiidae
Lonchidion selachos3 Estes 1964 elasmobranch
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus3 Cope 1876 whiptail stingray
Gnathostomata
  -
Actinopteri
 Teleostei - Aspidorhynchidae
 Amiiformes - Amiidae
Amia fragosa3 Jordan 1927 bowfin
Amia uintaensis3 Leidy 1873 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.3 Agassiz 1843 gar
Lepisosteus occidentalis3 Leidy 1856 gar
Osteichthyes
 Proteida - Batrachosauroididae
Opisthotriton kayi3 Auffenberg 1961 salamander
 Caudata - Urodela
Habrosaurus dilatus3 Gilmore 1928 siren
Scapherpeton tectum3 Cope 1876 salamander
Reptilia
 Testudines - Trionychidae
Trionychidae indet.3 Gray 1825 softshell turtle
 Testudines -
Compsemys victa3 Leidy 1856 turtle
Cryptodira indet.3 Cope 1868 turtle
 Sauria -
Sauria indet.3 diapsid
? Sauria indet.3 diapsid
 Theropoda -
 Avetheropoda -
? Coelurosauria indet.3 Huene 1914 coelurosaur
 Avetheropoda - Caenagnathidae
Chirostenotes sp.3 Gilmore 1924 coelurosaur
 Avetheropoda - Dromaeosauridae
Dromaeosauridae indet.3 Colbert and Russell 1969 coelurosaur
cf. Richardoestesia isosceles4 Sankey 2001 coelurosaur
Aves
  -
Aves indet.3 Linnaeus 1758 bird
Reptilia
 Avetheropoda - Coeluridae
Coeluridae indet.3 Marsh 1881 coelurid
 Ornithischia -
Ankylosauria indet.3 ornithischian
 Neornithischia - Hypsilophodontidae
Hypsilophodontidae indet.3 Dollo 1882 hypsilophodontid
 Neornithischia - Thescelosauridae
Thescelosaurus sp.3 Gilmore 1913 ornithischian
 Neornithischia - Hadrosauridae
Hadrosaurinae indet.3 Lambe 1918 hadrosaurine
 Crocodylia -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii3
"Leidyosuchus sternbergi" = Borealosuchus sternbergii3 Gilmore 1910 crocodilian
 Crocodylia - Crocodylidae
Crocodylidae indet.3 Cuvier 1807 crocodile
 Crocodylia - Alligatoridae
Brachychampsa montana3 Gilmore 1911 crocodilian
 Squamata - Xenosauridae
Exostinus lancensis3 Gilmore 1928 squamates
 Squamata -
Paraderma bogerti3 Estes 1964 squamates
Parasaniwa wyomingensis3 Gilmore 1928 squamates
 Squamata - Anguidae
Odaxosaurus piger3 Gilmore 1928 squamates
Mammalia
 Leptictida - Gypsonictopidae
Gypsonictops cf. illuminatus Lillegraven 1969 eutherian
 Didelphimorphia - Alphadontidae
Alphadon sp.1 Simpson 1927 marsupial
 Didelphimorphia - Glasbiidae
Glasbius twitchelli Archibald 1982 marsupial
 Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889 multituberculate