Shield Wolf Quarry (SWQ): Late/Upper Maastrichtian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
Gastropoda indet. Cuvier 1795
Mammalia
Mammalia indet. Linnaeus 1758
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus robustus (Marsh 1889)
1 specimen
Mammalia - Gypsonictopidae
Gypsonictops sp. Simpson 1927
1 specimen
Mammalia - Alphadontidae
Alphadon sp. Simpson 1927
1 specimen
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
synonym of Testudines
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Reptilia
Ceratopsia indet. Marsh 1890
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
see common names

Geography
Country:United States State/province:Montana County:Carbon
Coordinates: 45.0° North, 108.8° West (view map)
Paleocoordinates:52.2° North, 83.3° West
Basis of coordinate:based on nearby landmark
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:Lance
Local section:Little Cottonwood Draw Local bed:Little Cottonwood Draw
Stratigraphic resolution:bed
Stratigraphy comments: uppermost part of formation
Lithology and environment
Primary lithology: sandstone
Secondary lithology: argillaceous conglomerate
Includes fossils?Y
Includes fossils?Y
Lithology description: "a basal sandstone overlying a clayball conglomerate in a sequence of interbedded sandstones and claystones...Most of the specimens were recovered from the conglomerate layer with additional specimens coming from the overlying sandstone."
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils,mesofossils
Disassociated major elements:some
Disassociated minor elements:some
Fragmentation:occasional
Collection methods and comments
Collection excludes:some genera
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Little Cottonwood Draw
Database number:55326
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:G. Varnham Research group:vertebrate
Created:2005-10-10 08:02:53 Last modified:2022-02-03 07:56:11
Access level:the public Released:2005-10-10 08:02:53
Creative Commons license:CC BY
Reference information

Primary reference:

14811.ETE J. Pappas, R. Moses, and B. O'Grady. 2005. Taxonomic diversity of a Maastrichtian age microfaunal locality in the Little Cottonwood Draw, Carbon County, Montana. Journal of Vertebrate Paleontology 25(3, suppl.):98A [M. Carrano/M. Carrano]