Rex Hill Locality: Lancian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Urodela
Scapherpeton tectum Cope 1876
Database 2005 2 specimens
Mammalia - Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus sp. Cope 1882
Database 2005 1 specimen
Reptilia - Squamata
Squamata indet. Oppel 1811
Database 2005 1 specimen
Reptilia
Champsosaurus sp. Cope 1876
Database 2005 1 specimen
Reptilia - Archosauria
Archosauria indet. Cope 1869
Database 2005 1 specimen
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
Database 2005 1 specimen
Reptilia
Aves indet. Linnaeus 1758
Database 2005 1 specimen
Reptilia - Dromaeosauridae
Saurornitholestinae indet. Longrich and Currie 2009
Larson and Currie 2013 1 specimen
UCMP 186957
Reptilia - Crocodylidae
Crocodylidae indet. Cuvier 1807
Database 2005 1 specimen
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Database 2005 3 specimens
Reptilia - Baenidae
Baenidae indet. Cope 1882
Database 2005 1 specimen
Reptilia
Compsemys victa (Leidy 1856)
Database 2005 1 specimen
Actinopteri - Amiiformes - Amiidae
Amia sp. Linnaeus 1766
Database 2005 1 element
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
Database 2005 1 element
Acipenseriformes - Acipenseridae
Acipenser sp. Linnaeus 1758
Database 2005 1 element
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Database 2005 1 element
see common names

Geography
Country:United States State/province:Montana County:Garfield
Coordinates: 47.6° North, 107.2° West (view map)
Paleocoordinates:54.4° North, 80.3° West
Basis of coordinate:unpublished field data
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Epoch:Senonian
Key time interval:Lancian
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Hell Creek
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: siltstone
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:bulk,sieve,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Metadata
Also known as:UCMP V-75161
Database number:14613
Authorizer:J. Alroy, M. Carrano Enterer:J. Alroy, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2009-06-19 17:18:29
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
960. J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

13103 U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano]
48570 D. W. Larson and P. J. Currie. 2013. Multivariate analyses of small theropod dinosaur teeth and implications for paleoecological turnover through time. PLoS ONE 8(1):e54329:1-14 [M. Carrano/M. Carrano/M. Carrano]