PTRM V89004, Doaks Butte (Cretaceous of the United States)

Where: Bowman County, North Dakota (45.9° N, 104.0° W: paleocoordinates 52.2° N, 77.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• datum -81.68, K-T section 9906

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

Size classes: macrofossils, mesofossils

Primary reference: D. A. Pearson, T. Schaefer, K. R. Johnson, D. J. Nichols, and J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. In J. H. Hartman, J. R. Johnson, and D. J. Nichols (eds.), The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 45099: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Lonchidiidae
"Lissodus selachos" = Lonchidion selachos
"Lissodus selachos" = Lonchidion selachos Estes 1964 elasmobranch
 Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876 guitarfish
Osteichthyes
 Acipenseriformes - Acipenseridae
cf. Acipenser sp. Linnaeus 1758 sturgeon
listed as cf. "Acipenser"
Amphibia
 Caudata -
Caudata indet. salamander
 Caudata - Urodela
Scapherpeton tectum Cope 1876 salamander
Mammalia
 Mammalia -
 Allotheria -
? Multituberculata indet. Cope 1884 multituberculate
 Multituberculata - Cimolomyidae
Meniscoessus sp. Cope 1882 multituberculate
? Meniscoessus sp. Cope 1882 multituberculate
Meniscoessus robustus Marsh 1889 multituberculate
 Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma thompsoni Clemens 1964 multituberculate
 Marsupialia -
 Theriamorpha -
Theria indet. Parker and Haswell 1897 mammal
 Theriamorpha - Pediomyidae
"Pediomys florencae" = Protolambda florencae
"Pediomys florencae" = Protolambda florencae Clemens 1966 metatherian
 Theriamorpha - Stagodontidae
Didelphodon vorax Marsh 1889 metatherian
 Theriamorpha - Alphadontidae
Alphadon marshi Simpson 1927 metatherian
Reptilia
 Testudinata -
Compsemys victa Leidy 1856 turtle
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
Boremys sp. Lambe 1906 turtle
PTRM 2944, neural 7?; PTRM 9406, neural fragment; PTRM 9800, costal 6? fragment; and PTRM 16155, costal fragment
Plesiobaena antiqua Lambe 1902 turtle
 Testudines - Chelydridae
Chelydridae indet. Swainson 1839 turtle
 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Nanhsiungchelyidae
Basilemys sinuosa Riggs 1906 turtle
 Crocodylia - Gavialidae
Thoracosaurus neocesariensis De Kay 1842 crocodilian
 Crocodylia - Alligatoridae
Brachychampsa montana Gilmore 1911 crocodilian
 Loricata -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian
 Ornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Ornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
 Ornithischia -
Thescelosaurus neglectus Gilmore 1913 ornithopod
 Theropoda - Troodontidae
Troodon sp. Leidy 1856 maniraptoran
 Theropoda - Dromaeosauridae
Richardoestesia isosceles Sankey 2001 maniraptoran
Saurornitholestes sp. Sues 1978 maniraptoran
 Theropoda -
Paronychodon lacustris Cope 1876 maniraptoran
Aves
 Ornithurae -
Hesperornithiformes indet. Fürbringer 1888 bird
Reptilia
 Theropoda - Caenagnathidae
Caenagnathidae indet. Sternberg 1940 maniraptoran
 Theropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
 Theropoda - Tyrannosauridae
Tyrannosaurus rex Osborn 1905 tyrant lizard king
 Eosuchia -
Lepidosauria indet. Haeckel 1866 lepidosaur
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Actinopteri
 Lepisosteiformes - Lepisosteidae
 Amiiformes - Amiidae
"Kindleia fragosa" = Cyclurus fragosus, Melvius thomasi
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
Melvius thomasi Bryant 1987 bowfin
 Aspidorhynchiformes - Aspidorhynchidae