LSUMG 490, Talley Mountain: Middle Campanian - Late/Upper Campanian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888
Sankey 2008
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lissodus selachos (Estes 1964)
Sankey 2008
original and current combination Lonchidion selachos
Chondrichthyes - Rajiformes
Squatirhina sp. Casier 1947
Sankey 2008
Chondrichthyes - Rajiformes - Sclerorhynchidae
Onchopristis sp. Stromer 1917
Sankey 2008
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Sankey 2008
[entered as Crocodylian indet.]
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
1 specimen
LSUMG 490:5570
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Sankey 2008
see common names

Geography
Country:United States State/province:Texas County:Brewster
Coordinates: 29.1° North, 103.2° West (view map)
Paleocoordinates:35.5° North, 76.7° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Middle Campanian - Late/Upper Campanian
Age range of interval:83.50000 - 70.60000 m.y. ago
Stratigraphy
Formation:Aguja Member:Upper Shale
Stratigraphic resolution:bed
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:dispersed
Size of fossils:mesofossils
Preservation of anatomical detail:good
Disassociated major elements:all
Collection methods and comments
Collection methods:bulk,sieve,field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:VL-490
Database number:68005
Authorizer:M. Carrano, M. Bell Enterer:M. Carrano, M. Bell
Modifier:G. Varnham Research group:vertebrate
Subset of collection #:14488
Created:2006-12-21 08:34:10 Last modified:2022-02-24 04:47:24
Access level:the public Released:2006-12-21 08:34:10
Creative Commons license:CC BY
Reference information

Primary reference:

11752.ETE 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]

Secondary references:

46717 J. T. Sankey. 2008. Vertebrate paleoecology from microsites, Talley Mountain, Upper Aguja Formation (Late Cretaceous), Big Bend National Park, Texas, USA. In J. T. Sankey, S. Baszio (eds.), Vertebrate Microfossil Assemblages: Their Role in Paleoecology and Paleobiogeography 61-77 [M. Bell/M. Bell/M. Carrano]