Engdahl Anthills 1 (Cretaceous of the United States)

Also known as UCMP V-72212

Where: Garfield County, Montana (47.6° N, 107.1° W: paleocoordinates 54.4° 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• coordinate based on unpublished field data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)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: mesofossils

Reposited in the UCMP

Collection methods: bulk, 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 14533: 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 -
 Amiiformes - Palaeolabridae
Palaeolabrus sp.3 Casier 1967 bowfin
 Amiiformes - Amiidae
Amia fragosa3 Jordan 1927 bowfin
Amia uintaensis3 Leidy 1873 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.3 Cuvier 1825 gar
Lepisosteus occidentalis3 Leidy 1856 gar
Osteichthyes
 Caudata - Urodela
Scapherpeton tectum3 Cope 1876 salamander
Reptilia
 Testudines - Trionychidae
Trionychidae indet.3 Gray 1825 softshell turtle
Trionychinae indet.3 softshell turtle
 Testudines -
Compsemys sp.3 Leidy 1856 turtle
Compsemys victa3 Leidy 1856 turtle
 Testudines - Baenidae
Baenidae indet.3 Cope 1882 turtle
? Baenidae indet.3 Cope 1882 turtle
 Testudines - Adocidae
Adocus sp.3 Cope 1868 turtle
 Testudines - Pantrionychidae
Helopanoplia sp.3 Hay 1908 turtle
 Testudines - Panchelydridae
 Sauria -
Sauria indet.3 diapsid
 Dinosauria -
 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
 Avetheropoda -
Paronychodon lacustris3 Cope 1876 coelurosaur
Aves
  -
Aves indet.3 Linnaeus 1758 bird
Reptilia
 Avetheropoda - Coeluridae
Coeluridae indet.3 Marsh 1881 coelurid
 Neornithischia - Ceratopsidae
Ceratopsidae indet.3 Marsh 1888 ceratopsid
 Neornithischia - Hadrosauridae
Hadrosauridae indet.3 Cope 1869 hadrosaurid
 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
 Choristodera -
Champsosaurus natator3 Parks 1933 choristodere
Mammalia
 Leptictida - Gypsonictopidae
Gypsonictops cf. illuminatus Lillegraven 1969 eutherian
 Didelphimorphia - Alphadontidae
Alphadon sp.1 Simpson 1927 marsupial
 Didelphimorphia - Glasbiidae
Glasbius twitchelli Archibald 1982 marsupial
 Didelphimorphia - Stagodontidae
Didelphodon vorax Marsh 1889 marsupial
 Multituberculata - Neoplagiaulacidae
Mesodma thompsoni Clemens 1964 multituberculate
 Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889 multituberculate