PTRM V92067: Lancian, North Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
Mammalia indet. (Linnaeus 1758)
Pearson et al. 2002 26 specimens
? Mammalia indet. (Linnaeus 1758)
Pearson et al. 2002 9 specimens
Theria indet. Parker and Haswell 1897
Pearson et al. 2002 14 specimens
Mammalia - Stagodontidae
Didelphodon sp. Marsh 1889
Pearson et al. 2002 1 specimen
Didelphodon vorax Marsh 1889
8 specimens
Mammalia - Pediomyidae
Pediomys cf. florencae Clemens 1966
1 specimen
recombined as Protolambda florencae
Mammalia - Gypsonictopidae
Gypsonictops illuminatus Lillegraven 1969
1 specimen
Mammalia - Multituberculata
Multituberculata indet. Cope 1884
Pearson et al. 2002 8 specimens
? Multituberculata indet. Cope 1884
Pearson et al. 2002 1 specimen
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma thompsoni Clemens 1964
1 specimen
Mammalia - Multituberculata - Cimolodontidae
Cimolodon sp. Marsh 1889
Pearson et al. 2002 1 specimen
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus sp. Cope 1882
15 specimens
"robustus species group"
Meniscoessus robustus (Marsh 1889)
Pearson et al. 2002 21 specimens
Mammalia
Marsupialia indet. Illiger 1811
Pearson et al. 2002 2 specimens
Reptilia
Brachychampsa montana Gilmore 1911
Pearson et al. 2002 14 specimens
Thoracosaurus neocesariensis (De Kay 1842)
Pearson et al. 2002 3 specimens
Leidyosuchus sternbergi (Gilmore 1910)
Pearson et al. 2002 78 specimens
recombined as Borealosuchus sternbergii
Thescelosaurus neglectus Gilmore 1913
Pearson et al. 2002 28 specimens
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
Pearson et al. 2002 341 specimens
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
Pearson et al. 2002 118 specimens
Reptilia
Aves indet. Linnaeus 1758
Pearson et al. 2002 2 specimens
Reptilia - Avisauridae
cf. Avisaurus archibaldi Brett-Surman and Paul 1985
Pearson et al. 2002 1 specimen
Reptilia - Troodontidae
Troodon sp. Leidy 1856
Pearson et al. 2002 3 specimens
Reptilia - Dromaeosauridae
Richardoestesia isosceles Sankey 2001
Pearson et al. 2002 8 specimens
Saurornitholestes sp. Sues 1978
Pearson et al. 2002 14 specimens
Reptilia
Paronychodon lacustris Cope 1876
Pearson et al. 2002 21 specimens
nomen dubium belonging to Paronychodon
Reptilia - Ornithomimidae
Ornithomimidae indet. Marsh 1890
Pearson et al. 2002 1 specimen
Reptilia - Tyrannosauridae
Tyrannosaurus rex Osborn 1905
Pearson et al. 2002 15 specimens
Reptilia
Champsosaurus sp. Cope 1876
Pearson et al. 2002 212 specimens
Lepidosauria indet. (Haeckel 1866)
Pearson et al. 2002 40 specimens
Reptilia - Baenidae
Baenidae indet. Cope 1882
Pearson et al. 2002 1 specimen
Boremys sp. Lambe 1906
Lyson et al. 2011 4 specimens
PTRM 9802, neural 7?, from V92048. PTRM 10041, neural fragment; PTRM 9804, right costal 5?; PTRM 9404, fragment
Plesiobaena antiqua (Lambe 1902)
Pearson et al. 2002 1 specimen
Reptilia
Compsemys victa (Leidy 1856)
Pearson et al. 2002 1 specimen
Reptilia - Testudines
Kinosternidae indet. (Hay 1892)
Pearson et al. 2002 1 specimen
spelled with current rank as Kinosternoidea
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Pearson et al. 2002 1 specimen
Reptilia - Testudines
Helopanoplia distincta Hay 1908
Pearson et al. 2002 1 specimen
Reptilia - Testudines - Chelydridae
Chelydridae indet. Swainson 1839
Pearson et al. 2002 1 specimen
Amphibia - Temnospondyli
Anura indet. (Fischer von Waldheim 1813)
Pearson et al. 2002 1 specimen
Caudata indet. Scopoli 1777
Pearson et al. 2002 67 specimens
Amphibia - Temnospondyli - Urodela
Habrosaurus dilatus Gilmore 1928
Pearson et al. 2002 2 specimens
Scapherpetontidae informal gen. et sp. nov. 2
Gardner and DeMar 2013
Scapherpeton tectum Cope 1876
Pearson et al. 2002 31 specimens
Amphibia - Temnospondyli - Batrachosauroididae
Opisthotriton kayi Auffenberg 1961
Pearson et al. 2002 5 specimens
Acipenseriformes - Acipenseridae
cf. Acipenser sp. Linnaeus 1758
Pearson et al. 2002 1 specimen
listed as cf. "Acipenser"
Actinopteri
Teleostei indet. (Müller 1846)
Pearson et al. 2002 3 specimens
Actinopteri - Aspidorhynchiformes - Aspidorhynchidae
Belonostomus longirostris (Lambe 1902)
Pearson et al. 2002 10 specimens
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis (Leidy 1856)
Pearson et al. 2002 289 specimens
original and current combination Lepidotus occidentalis
Actinopteri - Amiiformes - Amiidae
Kindleia fragosa Jordan 1927
Pearson et al. 2002 968 specimens
recombined as Cyclurus fragosus
Melvius thomasi Bryant 1987
Pearson et al. 2002 2 specimens
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lissodus selachos (Estes 1964)
Pearson et al. 2002 9 specimens
original and current combination Lonchidion selachos
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Pearson et al. 2002 842 specimens
see common names

Geography
Country:United States State/province:North Dakota County:Bowman
Coordinates: 46.1° North, 103.3° West (view map)
Paleocoordinates:52.2° North, 76.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Epoch:Senonian
Key time interval:Lancian
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Montana Formation:Hell Creek
Local section:Sunset Butte Local bed:1
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: datum -36.18, K-T seection 9317
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:crevasse splay
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Disassociated major elements:many
Collection methods and comments
Collection methods:field collection
Collection size:34 specimens
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:about the middle of the formationalthough there are 2500 vertebrate specimens, only 34 are identifiable mammalsbelow PITA Flats (see): Hunter 1999
Metadata
Database number:14610
Authorizer:J. Alroy, R. Benson, P. Holroyd, M. Carrano Enterer:J. Alroy, R. Benson, M. Carrano, P. Holroyd
Modifier:M. Carrano Research group:vertebrate
Created:1997-04-12 00:00:00 Last modified:2021-05-05 11:11:09
Access level:the public Released:1997-04-12 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
1984. J. P. Hunter and D. A. Pearson. 1996. First record of Lancian (Late Cretaceous) mammals from the Hell Creek Formation of southwestern North Dakota, USA. Cretaceous Research 17 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

65027 J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano]
41937 T. R. Lyson, W. G. Joyce, G. E. Knauss and D. A. Pearson. 2011. Boremys (Testudines, Baenidae) from the latest Cretaceous and early Paleocene of North Dakota: an 11 million year range extension and an additional K/T survivor. Journal of Vertebrate Paleontology 31(4):729-737 [R. Benson/R. Benson]
11749ETE 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]