PTRM V86002, East Marmarth: Late/Upper Maastrichtian, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lissodus selachos
(Estes 1964)
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9 specimens | |||||||||
original and current combination Lonchidion selachos | ||||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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80 specimens | |||||||||
Chondrichthyes
- Orectolobiformes
- Orectolobidae
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Squatirhina americana
Estes 1964
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1 specimen | |||||||||
recombined as Restesia americana | ||||||||||
Acipenseriformes
- Acipenseridae
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cf. Acipenser sp.
Linnaeus 1758
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3 specimens | |||||||||
unclassified
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Pterosauria indet.
Kaup 1834
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1 specimen | |||||||||
= ? Tetrapoda indet.
Jaekel 1911
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Dalla Vecchia et al. 2013 | |||||||||
"neither pterosaur nor avian" | ||||||||||
Amphibia
- Temnospondyli
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Caudata indet.
Scopoli 1777
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15 specimens | |||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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5 specimens | |||||||||
Prodesmodon copei
Estes 1964
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Gardner and DeMar 2013 | |||||||||
Amphibia
- Temnospondyli
- Urodela
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Habrosaurus dilatus
Gilmore 1928
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1 specimen | |||||||||
Scapherpeton tectum
Cope 1876
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20 specimens | |||||||||
Proamphiuma cretacea
Estes 1969
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Gardner and DeMar 2013 | |||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Meniscoessus sp.
Cope 1882
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1 specimen | |||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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1 specimen | |||||||||
Mammalia
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Theria indet.
Parker and Haswell 1897
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4 specimens | |||||||||
Mammalia
- Creodonta
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Cimolestes magnus
Clemens and Russell 1965
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1 specimen | |||||||||
recombined as Altacreodus magnus | ||||||||||
Reptilia
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Compsemys victa
(Leidy 1856)
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1 specimen | |||||||||
Reptilia
- Baenidae
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Baenidae indet.
Cope 1882
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1 specimen | |||||||||
Plesiobaena antiqua
(Lambe 1902)
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1 specimen | |||||||||
Reptilia
- Testudines
- Chelydridae
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Chelydridae indet.
Swainson 1839
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1 specimen | |||||||||
Reptilia
- Testudines
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Kinosternidae indet.
(Hay 1892)
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1 specimen | |||||||||
spelled with current rank as Kinosternoidea | ||||||||||
Reptilia
- Testudines
- Adocidae
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Adocus sp.
Cope 1868
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1 specimen | |||||||||
Reptilia
- Testudines
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Helopanoplia distincta
Hay 1908
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1 specimen | |||||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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1 specimen | |||||||||
Reptilia
- Testudines
- Nanhsiungchelyidae
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Basilemys sinuosa
Riggs 1906
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1 specimen | |||||||||
Reptilia
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Thoracosaurus neocesariensis
(De Kay 1842)
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9 specimens | |||||||||
Brachychampsa montana
Gilmore 1911
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124 specimens | |||||||||
Leidyosuchus sternbergi
(Gilmore 1910)
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143 specimens | |||||||||
recombined as Borealosuchus sternbergii | ||||||||||
Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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81 specimens | |||||||||
Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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205 specimens | |||||||||
Reptilia
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Thescelosaurus neglectus
Gilmore 1913
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2 specimens | |||||||||
Reptilia
- Dromaeosauridae
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Richardoestesia isosceles
Sankey 2001
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11 specimens | |||||||||
Reptilia
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Paronychodon lacustris
Cope 1876
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8 specimens | |||||||||
nomen dubium belonging to Paronychodon | ||||||||||
Aves indet.
Linnaeus 1758
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3 specimens | |||||||||
Reptilia
- Hesperornithiformes
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Hesperornithiformes indet.
Fürbringer 1888
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1 specimen | |||||||||
Reptilia
- Tyrannosauridae
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Tyrannosaurus rex
Osborn 1905
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21 specimens | |||||||||
Reptilia
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Lepidosauria indet.
(Haeckel 1866)
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16 specimens | |||||||||
Champsosaurus sp.
Cope 1876
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21 specimens | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus occidentalis
(Leidy 1856)
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100 specimens | |||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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Kindleia fragosa
Jordan 1927
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226 specimens | |||||||||
recombined as Cyclurus fragosus | ||||||||||
Melvius thomasi
Bryant 1987
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28 specimens | |||||||||
Actinopteri
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Teleostei indet.
(Müller 1846)
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27 specimens | |||||||||
Actinopteri
- Aspidorhynchiformes
- Aspidorhynchidae
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Belonostomus longirostris
(Lambe 1902)
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2 specimens | |||||||||
see common names |
Geography
Country: | United States | State/province: | North Dakota | County: | Slope |
Coordinates: | 46.3° North, 103.9° West (view map) | ||||
Paleocoordinates: | 52.5° North, 77.3° West | ||||
Basis of coordinate: | estimated from map | ||||
Altitude: | 853 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: | East Marmarth | Local bed: | 29.18 m | ||
Local order: | top to bottom | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: datum -29.18, K-T section 86148 |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | "channel" |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils,mesofossils |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | bulk,sieve,field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 45144 | ||
Authorizer: | M. Carrano, R. Butler, P. Holroyd | Enterer: | M. Carrano, R. Butler, P. Holroyd |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2004-10-07 13:26:18 | Last modified: | 2022-09-22 09:17:18 |
Access level: | the public | Released: | 2004-10-07 13:26:18 |
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] |