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

Where: Bowman County, North Dakota (45.9° N, 104.0° W: paleocoordinates 52.3° N, 77.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 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
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
Actinopteri
 Acipenseriformes - Acipenseridae
cf. Acipenser sp. Linnaeus 1758 sturgeon
listed as cf. "Acipenser"
 Teleostei - Aspidorhynchidae
 Amiiformes - Amiidae
Melvius thomasi, "Kindleia fragosa" = Cyclurus fragosus
Melvius thomasi Bryant 1987 bowfin
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
 Lepisosteiformes - Lepisosteidae
Osteichthyes
 Caudata -
Caudata indet. salamander
 Caudata - Urodela
Scapherpeton tectum Cope 1876 salamander
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines -
Compsemys victa Leidy 1856 turtle
 Testudines - Baenidae
Baenidae indet. Cope 1882 turtle
Plesiobaena antiqua Lambe 1902 turtle
Boremys sp. Lambe 1906 turtle
PTRM 2944, neural 7?; PTRM 9406, neural fragment; PTRM 9800, costal 6? fragment; and PTRM 16155, costal fragment
 Testudines - Nanhsiungchelyidae
Basilemys sinuosa Riggs 1906 turtle
 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle
 Testudines - Panchelydridae
 Avetheropoda - Caenagnathidae
Caenagnathidae indet. Sternberg 1940 coelurosaur
 Avetheropoda - Dromaeosauridae
Richardoestesia isosceles Sankey 2001 coelurosaur
Saurornitholestes sp. Sues 1978 coelurosaur
 Avetheropoda - Troodontidae
Troodon sp. Leidy 1856 coelurosaur
 Avetheropoda -
Paronychodon lacustris Cope 1876 coelurosaur
Aves
 Ornithurae -
Hesperornithiformes indet. F├╝rbringer 1888 bird
Reptilia
 Avetheropoda - Tyrannosauridae
Tyrannosaurus rex Osborn 1905 tyrant lizard king
 Avetheropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Neornithischia - Thescelosauridae
Thescelosaurus neglectus Gilmore 1913 ornithischian
 Neornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
 Crocodylia -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian
Brachychampsa montana Gilmore 1911 crocodilian
Thoracosaurus neocesariensis De Kay 1842 crocodilian
 Eosuchia -
Lepidosauria indet. Haeckel 1866 lepidosaur
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Mammalia
 Mammalia -
 Theriiformes -
Theria indet., "Marsupialia indet." = Metatheria
Theria indet. Parker and Haswell 1897 mammal
"Marsupialia indet." = Metatheria Huxley 1880 marsupial
 Theriiformes - Peradectidae
"Pediomys florencae" = Aletridelphys florencae
"Pediomys florencae" = Aletridelphys florencae Clemens 1966 metatherian
 Didelphimorphia - Alphadontidae
Alphadon marshi Simpson 1927 marsupial
 Didelphimorphia - Stagodontidae
Didelphodon vorax Marsh 1889 marsupial
 Allotheria -
? Multituberculata indet. Cope 1884 multituberculate
 Multituberculata - Cimolomyidae
Meniscoessus sp. Cope 1882 multituberculate
? Meniscoessus sp. Cope 1882 multituberculate
Meniscoessus robustus Marsh 1889 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma thompsoni Clemens 1964 multituberculate
 Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889 multituberculate