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
? Inoceramus sp. Sowerby 1814
Bivalvia - Ostreida - Ostreidae
Crassostrea sp. Sacco 1897
Bivalvia - Mytilida - Mytilidae
Modiolus cf. galpinianus
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Chondrichthyes - Lamniformes - Carchariidae
Carcharias sp. Rafinesque 1810
Chondrichthyes - Lamniformes - Mitsukurinidae
? Scapanorhynchus sp. Woodward 1889
Chondrichthyes - Chimaeriformes - Callorhynchidae
Ischyodus sp. Egerton 1843
Elasmodus sp. Egerton
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Actinopteri - Aulopiformes - Enchodontidae
Enchodus sp. Agassiz 1835
unclassified
Ophiomorpha sp. Lundgren 1891
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]