PTRM V89003: Late/Upper Maastrichtian, North Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lissodus selachos (Estes 1964)
6 specimens
original and current combination Lonchidion selachos
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
58 specimens
unclassified
Pterosauria indet. Kaup 1834
1 specimen
    = ? Tetrapoda indet. Jaekel 1911
Dalla Vecchia et al. 2013
"neither pterosaur nor avian"
Amphibia - Temnospondyli
Caudata indet. Scopoli 1777
11 specimens
Amphibia - Temnospondyli - Urodela
Urodela indet. (Duméril 1805)
Gardner and DeMar 2013
Habrosaurus dilatus Gilmore 1928
1 specimen
Scapherpetontidae informal indet. 1 (Auffenberg and Goin 1959)
Gardner and DeMar 2013
"gen. et sp. nov."
Scapherpeton tectum Cope 1876
13 specimens
Amphibia - Temnospondyli - Albanerpetontidae
Albanerpetontidae indet. Fox and Naylor 1982
Gardner and DeMar 2013
Mammalia
Mammalia indet. (Linnaeus 1758)
1 specimen
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus sp. Cope 1882
1 specimen
Meniscoessus robustus (Marsh 1889)
2 specimens
Mammalia - Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889
1 specimen
Mammalia - Stagodontidae
Didelphodon sp. Marsh 1889
1 specimen
Reptilia - Baenidae
Boremys sp. Lambe 1906
Lyson et al. 2011
Reptilia
Thoracosaurus neocesariensis (De Kay 1842)
3 specimens
Brachychampsa montana Gilmore 1911
16 specimens
Leidyosuchus sternbergi (Gilmore 1910)
91 specimens
recombined as Borealosuchus sternbergii
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
29 specimens
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
130 specimens
Reptilia
Thescelosaurus neglectus Gilmore 1913
1 specimen
Reptilia - Dromaeosauridae
Richardoestesia isosceles Sankey 2001
3 specimens
Saurornitholestes sp. Sues 1978
1 specimen
Reptilia
Paronychodon lacustris Cope 1876
3 specimens
nomen dubium belonging to Paronychodon
Reptilia - Caenagnathidae
Caenagnathidae indet. Sternberg 1940
1 specimen
Reptilia - Tyrannosauridae
Tyrannosaurus rex Osborn 1905
4 specimens
Reptilia
Lepidosauria indet. (Haeckel 1866)
5 specimens
"lizards"
Champsosaurus sp. Cope 1876
19 specimens
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis (Leidy 1856)
103 specimens
original and current combination Lepidotus occidentalis
Actinopteri - Amiiformes - Amiidae
Kindleia fragosa Jordan 1927
203 specimens
recombined as Cyclurus fragosus
Melvius thomasi Bryant 1987
2 specimens
Actinopteri
Teleostei indet. (Müller 1846)
2 specimens
Actinopteri - Aspidorhynchiformes - Aspidorhynchidae
Belonostomus longirostris (Lambe 1902)
3 specimens
see common names

Geography
Country:United States State/province:North Dakota County:Bowman
Coordinates: 46.0° North, 103.8° West (view map)
Paleocoordinates:52.2° North, 77.3° West
Basis of coordinate:estimated from map
Altitude:975 meters
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:70.60000 - 66.00000 m.y. ago
Stratigraphy
Formation:Hell Creek
Local section:Mud Buttes Local bed:89.40 m
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: datum -89.40, K-T section 9906
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:bulk,sieve,field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:45102
Authorizer:M. Carrano, R. Butler, R. Benson, P. Holroyd Enterer:M. Carrano, R. Butler, P. Holroyd, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:2004-10-06 07:23:48 Last modified:2022-09-22 09:17:41
Access level:the public Released:2004-10-06 07:23:48
Creative Commons license:CC BY
Reference information

Primary reference:

11749.ETE 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]

Secondary references:

59166 F. M. Dalla Vecchia, V. Riera, J. O. Oms, J. Dinares-Turell, R. Gaete and A. Galobart. 2013. The last pterosaurs: first record from the uppermost Maastrichtian of the Tremp Syncline (northern Spain). Acta Geologica Sinica 87(5):1198-1227 [R. Butler/R. Butler]
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]
82664 G. Knauss and A. A. Farke. 2002. Comparison of vertebrate microfossil collection methods in the Late Cretaceous Hell Creek Formation of North Dakota: surface collection vs. screen washing. Journal of Vertebrate Paleontology 22(3 (suppl.)):75A [M. Carrano/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]