Talley Mountain (LSU): Judithian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Alphadontidae
Alphadon sp. Simpson 1927
Sankey and Gose 2001 1 specimen
LSUMG 492:6252
Alphadon cf. halleyi Sahni 1972
includes "A. cf. sahnii"
Mammalia - Multituberculata
Paracimexomys sp. Archibald 1982
2 specimens
LSUMG 489:5684, 491:5778
    = cf. Paracimexomys sp. Archibald 1982
Sankey and Gose 2001
Mammalia - Multituberculata - Cimolomyidae
Cimolomys sp. Marsh 1889
1 specimen
LSUMG 489:5681
Meniscoessus sp. Cope 1882
Mammalia - Multituberculata
cf. Cimexomys sp. Sloan and Van Valen 1965
1 specimen
LSUMG 140:6121
    = Cimexomys sp. Sloan and Van Valen 1965
Sankey and Gose 2001
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940
Sankey and Gose 2001 1 specimen
LSUMG 491:5779
Reptilia - Theropoda - Dromaeosauridae
Richardoestesia cf. gilmorei Currie et al. 1990
Richardoestesia isosceles Sankey 2001
Saurornitholestes cf. langstoni Sues 1978
Reptilia - Theropoda - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
Reptilia - Pachycephalosauridae
Troodon sp. Leidy 1856
Sankey 2001
    = Pachycephalosauridae indet. Sternberg 1945
Sankey 2001
see common names

Geography
Country:United States State/province:Texas County:Brewster
Coordinates: 29.2° North, 103.2° West (view map)
Paleocoordinates:35.6° North, 76.7° West
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
*Epoch:Senonian
Key time interval: Judithian
Age range of interval: 83.6 - 72.1 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Aguja Member:Upper Shale
Stratigraphic resolution:group of beds
Stratigraphy comments: Multiple sites from above WPA quarry level - five horizons
Lithology and environment
Primary lithology:paleosol/pedogenic,intraclastic sandy conglomerate
Includes fossils?Y
Lithology description: "carbonate-cemented, pedogenic-nodule, sandstone conglomerates containing numerous clasts of clay, pedogenic nodules..."
Environment:channel lag
Geology comments: "lag deposits from the base of fluvial channels"
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:mesofossils
Preservation of anatomical detail:good
Disassociated major elements:many
Disassociated minor elements:many
Fragmentation:occasional
Collection methods and comments
Collection methods:bulk,sieve,field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:from five "horizons" in a 20 m intervallocal paleomagnetic section fails to include any independent tie point; said to be "upper Campanian"
Metadata
Database number:14488
Authorizer:J. Alroy, M. Carrano, J. Head Enterer:J. Alroy, M. Carrano, J. Head
Modifier:M. Carrano Research group:vertebrate
Collections that are a subset of this one:68001, 68002, 68003, 68004, 68005, 68006
Created:1998-09-21 00:00:00 Last modified:2006-12-21 10:50:25
Access level:the public Released:1998-09-21 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
3010. J. T. Sankey. 1998. Vertebrate paleontology and magnetostratigraphy, upper Aguja Formation (late Campanian), Big Bend National Park, Texas. Journal of Vertebrate Paleontology 18(3, suppl.):75A [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

11752ETE J. T. Sankey. 2001. Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas. Journal of Paleontology 75(1):208-215 [M. Carrano/M. Carrano/M. Carrano]
18377ETE J. T. Sankey and W. Gose. 2001. Late Cretaceous mammals and magnetostratigraphy, Big Bend, Texas. Occasional Papers of the Museum of Natural Science, Louisiana State University 77:1-16 [M. Carrano/M. Carrano]