Ried Coulee 1 (Cretaceous of the United States)

Also known as UCMP V-73090

Where: Garfield County, Montana (47.5° N, 106.9° W)

• Paleocoordinates: 58.4° N, 65.2° W (Wright 2013)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Upper Member (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: 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 14615: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano

Creative Commons license: CC0 (CC0)

Taxonomic list

Gnathostomata
  -
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.4 Cuvier 1825 gar
Lepisosteus occidentalis4 Leidy 1856 gar
 Amiiformes - Amiidae
Amiidae indet.4 Huxley 1861 bowfin
Amia fragosa4 Jordan 1927 bowfin
Melvius thomasi1 Bryant 1988 bowfin
UCMP 123381, trunk vertebra
 Esociformes - Esocidae
Estesesox foxi6 Wilson et al. 1992
Amphibia
  -
Amphibia indet.4 Linnaeus 1758 tetrapod
 Caudata - Urodela
Urodela indet.4 salamander
Scapherpeton tectum4 Cope 1876 salamander
Mammalia
 Multituberculata - Neoplagiaulacidae
Mesodma cf. formosa Marsh 1889 multituberculate
Mesodma thompsoni Clemens 1964 multituberculate
 Tribosphenida - Stagodontidae
Didelphodon vorax Marsh 1889 metatherian
Reptilia
  -
Reptilia indet.4 Laurenti 1768 reptile
 Squamata -
Squamata indet.4 squamates
 Testudines -
Testudines indet.4 Batsch 1788 turtle
Cryptodira indet.4 Cope 1868 turtle
 Testudines - Kinosternoidea
 Testudines - Trionychidae
Trionychidae indet.4 Gray 1825 softshell turtle
 Testudines - Chelydridae
Chelydridae indet.4 Swainson 1839 turtle
 Ornithischia - Ceratopsidae
Ceratopsidae indet.4 Marsh 1888 ceratopsid
Triceratops sp.4 Marsh 1889 ceratopsid
 Theropoda -
Theropoda indet.2 theropod
 Theropoda - Dromaeosauridae
Dromaeosauridae indet.4 Colbert and Russell 1969 maniraptoran
Saurornitholestinae indet.5 Longrich and Currie 2009 maniraptoran
UCMP 186962
 Loricata -
Crocodylia indet.4 crocodilian
 Crocodylia - Crocodylidae
 Crocodylia -
 Crocodylia - Alligatoridae
Brachychampsa montana4 Gilmore 1911 crocodilian
 Crocodylia -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii4
"Leidyosuchus sternbergi" = Borealosuchus sternbergii4 Gilmore 1910 crocodilian
 Choristodera -
Champsosaurus natator4 Parks 1933 choristodere
 Choristodera - Champsosauridae
Champsosauridae indet.4 Cope 1876 champsosaur
Chondrichthyes
 Rajiformes - Rhinobatidae
Myledaphus pustulosus3 Cook et al. 2014 guitarfish
UCMP 146187, 3 teeth; UCMP 145936, 1 tooth
 Hybodontiformes - Lonchidiidae
Lonchidion selachos4 Estes 1964 elasmobranch