Stumpf Site (Level C): Lancian, North Dakota
collected by J. Hoganson
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Myalinida
- Inoceramidae
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? Inoceramus sp.
Sowerby 1814
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea sp.
Sacco 1897
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus cf. galpinianus
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Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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Chondrichthyes
- Lamniformes
- Carchariidae
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Carcharias sp.
Rafinesque 1810
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Chondrichthyes
- Lamniformes
- Mitsukurinidae
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? Scapanorhynchus sp.
Woodward 1889
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Chondrichthyes
- Chimaeriformes
- Callorhynchidae
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Ischyodus sp.
Egerton 1843
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Elasmodus sp.
Egerton
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Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Actinopteri
- Aulopiformes
- Enchodontidae
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Enchodus sp.
Agassiz 1835
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unclassified
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Ophiomorpha sp.
Lundgren 1891
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see common names |
Geography
Country: | United States | State/province: | North Dakota | County: | Morton |
Coordinates: | 46.9° North, 101.5° West (view map) | ||||
Paleocoordinates: | 52.6° North, 74.4° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Lancian | ||
Age range of interval: | 70.60000 - 66.00000 m.y. ago |
Stratigraphy
Geological group: | Montana | Formation: | Hell Creek | Member: | Breien |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: 3 m above base at site |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Lithology description: "1-meter-thick, fossil-bearing marine sandstone... shoreline sandstones" | |
Environment: | coastal indet. |
Taphonomy
Modes of preservation: | body,mold/impression |
Size of fossils: | macrofossils,mesofossils |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | surface (float),surface (in situ),field collection |
Reason for describing collection: | biostratigraphic analysis |
Collectors: | J. Hoganson |
Metadata
Database number: | 53234 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy |
Modifier: | M. Carrano | Research group: | marine invertebrate |
Created: | 2005-09-07 14:24:42 | Last modified: | 2016-06-10 12:42:32 |
Access level: | the public | Released: | 2005-09-07 14:24:42 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1921. | J. W. Hoganson, J. M. Campbell, and E. C. Murphy. 1994. Stratigraphy and paleontology of the Cretaceous Hell Creek Formation, Stumpf site, Morton County, North Dakota. Proceedings of the North Dakota Academy of Sciences 48:95 [J. Alroy/J. Alroy/M. Carrano] |
Secondary references:
59360 | J. W. Hoganson. 1994. Stumpf site registered as a North Dakota Natural Area. North Dakota Geological Society Newsletter 21(4):7-10 [M. Carrano/M. Carrano] |