Prairie Level Site, RTMP L1130: Late/Upper Campanian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli
Anura indet. (Fischer von Waldheim 1813)
15 specimens
Amphibia - Temnospondyli - Urodela
Scapherpeton tectum Cope 1876
20 specimens
Amphibia - Temnospondyli - Batrachosauroididae
Opisthotriton kayi Auffenberg 1961
19 specimens
Reptilia - Nodosauridae
Nodosauridae indet. Marsh 1890
8 specimens
Reptilia - Ankylosauridae
Ankylosauridae indet. Brown 1908
2 specimens
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
6 specimens
Reptilia - Pachycephalosauridae
Pachycephalosauridae indet. Sternberg 1945
1 specimen
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
128 specimens
Reptilia
Paronychodon lacustris Cope 1876
2 specimens
nomen dubium belonging to Paronychodon
Reptilia - Troodontidae
Troodon formosus Leidy 1856
2 specimens
Reptilia - Dromaeosauridae
Saurornitholestes langstoni Sues 1978
25 specimens
Richardoestesia gilmorei Currie et al. 1990
1 specimen
Reptilia
Aves indet. Linnaeus 1758
1 specimen
Reptilia - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906
3 specimens
Reptilia - Crocodylia
Leidyosuchus sp. Lambe 1907
27 specimens
    = Crocodylia indet. Owen 1842
Alroy 2007
Reptilia
Alligatorinae indet. Cuvier 1807
3 specimens
Champsosaurus sp. Cope 1876
10 specimens
Reptilia - Teiidae
Gerontoseps irvinensis Gao and Fox 1991
1 specimen
Reptilia - Chamopsiidae
Socognathus unicuspis Gao and Fox 1991
4 specimens
Reptilia
Varanoidea indet. Gray 1827
2 specimens
Reptilia - Helodermatidae
Helodermatidae indet. Gray 1837
1 specimen
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
3 specimens
Reptilia - Testudines - Chelydridae
Chelydridae indet. Swainson 1839
2 specimens
Reptilia - Baenidae
Baenidae indet. Cope 1882
2 specimens
Mammalia - Multituberculata
Multituberculata indet. Cope 1884
Brinkman et al. 2004 2 specimens
Mammalia - Multituberculata - Cimolomyidae
Cimolomyidae indet. Sloan and Van Valen 1965
Brinkman et al. 2004 1 specimen
Mammalia - Pediomyidae
Pediomys sp. Marsh 1889
Brinkman et al. 2004 1 specimen
    = Pediomyidae indet. Simpson 1927
Alroy 2007
Pediomys prokrejcii Fox 1979
Brinkman et al. 2004 1 specimen
recombined as Leptalestes prokrejcii
Mammalia - Alphadontidae
Turgidodon russelli (Fox 1979)
Brinkman et al. 2004 1 specimen
Actinopteri
Teleostei indet. Müller 1846
1 element
Actinopteri - Elopiformes - Phyllodontidae
Phyllodontinae indet. Darteville and Casier 1949
2 elements
Actinopteri - Esociformes - Esocidae
Estesesox foxi Wilson et al. 1992
5 elements
Actinopteri
Holostei informal indet. A Müller 1846
9 elements
Actinopteri - Amiiformes - Amiidae
Amiidae indet. Huxley 1861
3 elements
Actinopteri - Lepisosteiformes - Lepisosteidae
Atractosteus occidentalis (Leidy 1856)
30 elements
original and current combination Lepidotus occidentalis
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
14 elements
Bivalvia - Unionida - Unionidae
Unionidae indet. Rafinesque 1820
unclassified
Plantae indet. Haeckel 1866
"coalified wood"
see common names

Geography
Country:Canada State/province:Alberta
Coordinates: 49.1° North, 110.7° West (view map)
Paleocoordinates:56.3° North, 76.2° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Late/Upper Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Geological group:Belly River Formation:Oldman Member:Upper
Stratigraphic resolution:bed
Stratigraphy comments: Nesmo's unit (upper unit of formation); 4.5 m below double bentonite at top of section
Lithology and environment
Primary lithology:lenticular,current ripples,fine sandstone
Secondary lithology:ferruginous siltstone
Includes fossils?Y
Lithology description: "1.9 m thick, fine-grained sandstone body. The host lithosome is composed of thinning-upward sets of medium- to large-scale trough cross-beds. The fossil-bearing bed represents an intraformational lag, which has a sharp contact on a rooted siltstone, with locally cemented ironstone...associated with...uncemented mudstone pebbles"
Environment:channel lag
Taphonomy
Modes of preservation:body
Lagerst�tten type:concentrate
Degree of concentration:concentrated
Size of fossils:mesofossils
Preservation of anatomical detail:good
Disassociated major elements:many
Disassociated minor elements:many
Size sorting:well
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:surface (float),sieve,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:TMP
Metadata
Also known as:PLS
Database number:45671
Authorizer:M. Carrano, J. Alroy Enterer:M. Carrano, J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:2004-11-22 10:32:07 Last modified:2021-09-23 12:23:11
Access level:the public Released:2004-11-22 10:32:07
Creative Commons license:CC BY
Reference information

Primary reference:
11964.ETE J. Peng, A. P. Russell, and D. B. Brinkman. 2001. Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide. Provincial Museum of Alberta, Natural History Occasional Paper 25:1-54 [M. Carrano/M. Carrano/J. Alroy]

Secondary references:

19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
11931ETE D. B. Brinkman, A. P. Russell, D. A. Eberth and J. Peng. 2004. Vertebrate palaeocommunities of the lower Judith River Group (Campanian) of southeastern Alberta, Canada, as interpreted from vertebrate microfossil assemblages. Palaeogeography, Palaeoclimatology, Palaeoecology 213:295-313 [M. Carrano/M. Carrano/M. Carrano]
78157 D. A. Eberth. 2015. Origins of dinosaur bonebeds in the Cretaceous of Alberta, Canada. Canadian Journal of Earth Sciences 52(8):655-681 [M. Carrano/M. Carrano]