PTRM V98027, Cannonball Creek: Late/Upper Maastrichtian, North Dakota
collected by North Dakota Geological Survey 1995
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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9 specimens | |||||||||
Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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24 specimens | |||||||||
Reptilia
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Paronychodon lacustris
Cope 1876
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1 specimen | |||||||||
nomen dubium belonging to Paronychodon | ||||||||||
Leidyosuchus sternbergi
(Gilmore 1910)
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11 specimens | |||||||||
recombined as Borealosuchus sternbergii | ||||||||||
Thoracosaurus neocesariensis
(De Kay 1842)
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1 specimen | |||||||||
Lepidosauria indet.
(Haeckel 1866)
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2 specimens | |||||||||
Reptilia
- Baenidae
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Plesiobaena antiqua
(Lambe 1902)
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1 specimen | |||||||||
Boremys sp.
Lambe 1906
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Lyson et al. 2011 | 1 specimen | ||||||||
PTRM 10020, preneural? | ||||||||||
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 | |||||||||
Mammalia
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Mammalia indet.
(Linnaeus 1758)
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Boyd et al. 2017 | |||||||||
NDGS 1796, 1797 and 1799 | ||||||||||
Mammalia
- Gypsonictopidae
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Gypsonictops sp.
Simpson 1927
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Boyd et al. 2017 | |||||||||
NDGS 1798 and 1800 | ||||||||||
Mammalia
- Alphadontidae
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Alphadon sp.
Simpson 1927
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Boyd et al. 2017 | |||||||||
NDGS 1801 | ||||||||||
Mammalia
- Glasbiidae
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Glasbius twitchelli
Archibald 1982
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Boyd et al. 2017 | |||||||||
NDGS 1793, 1720-1724 | ||||||||||
Mammalia
- Multituberculata
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Multituberculata indet.
(Cope 1884)
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Boyd et al. 2017 | |||||||||
NDGS 1794 and 1795 | ||||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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Boyd et al. 2017 | |||||||||
NDGS 1790 and 1791 | ||||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma cf. thompsoni
Clemens 1964
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Boyd et al. 2017 | |||||||||
NDGS 1789 | ||||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Essonodon browni
Simpson 1927
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Boyd et al. 2017 | |||||||||
NDGS 1792 | ||||||||||
Amphibia
- Temnospondyli
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Caudata indet.
Scopoli 1777
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1 specimen | |||||||||
Amphibia
- Temnospondyli
- Urodela
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Scapherpeton tectum
Cope 1876
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1 specimen | |||||||||
Amphibia
- Temnospondyli
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Anura indet.
(Fischer von Waldheim 1813)
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1 specimen | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus occidentalis
(Leidy 1856)
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29 specimens | |||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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Kindleia fragosa
Jordan 1927
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29 specimens | |||||||||
recombined as Cyclurus fragosus | ||||||||||
Melvius thomasi
Bryant 1987
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1 specimen | |||||||||
Actinopteri
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Teleostei indet.
(Müller 1846)
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3 specimens | |||||||||
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lissodus selachos
(Estes 1964)
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1 specimen | |||||||||
original and current combination Lonchidion selachos | ||||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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18 specimens | |||||||||
see common names |
Geography
Country: | United States | State/province: | North Dakota | County: | Slope |
Coordinates: | 46.4° North, 104.0° West (view map) | ||||
Paleocoordinates: | 52.7° North, 77.4° West | ||||
Basis of coordinate: | estimated from map | ||||
Altitude: | 860 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: | Cannonball Creek | Local bed: | 10.62 m | ||
Local order: | top to bottom | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: datum -10.62, K-T section 9909 |
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: | field collection | ||
Reason for describing collection: | biostratigraphic analysis | ||
Collectors: | North Dakota Geological Survey | Collection dates: | 1995 |
Metadata
Also known as: | NDGS L226 | ||
Database number: | 45137 | ||
Authorizer: | M. Carrano, P. Mannion, R. Benson | Enterer: | M. Carrano, P. Mannion, R. Benson |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2004-10-06 14:24:51 | Last modified: | 2022-02-01 07:53:26 |
Access level: | the public | Released: | 2004-10-06 14:24:51 |
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:
62517 | C. A. Boyd, J. J. Person, and B. Barnes. 2017. Additions to the Lancian mammalian fauna from southwest North Dakota. Journal of Vertebrate Paleontology e1325368:1-15 [P. Mannion/P. Mannion] | |
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] |