Rocker A Oil Field (MOTT 3614): Norian, Texas
collected by Neyland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Typothorax coccinarum Cope 1875
TTU P-9209, two paramedian osteoderms
Desmatosuchinae indet. Huene 1942
TTU P-9228, two lateral horns
see common names

Geography
Country:United States State/province:Texas County:Garza
Coordinates: 33.5° North, 101.3° West (view map)
Paleocoordinates:8.2° North, 41.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Triassic Epoch:Late/Upper Triassic
Stage:Norian 10 m.y. bin:Triassic 4
Key time interval:Norian
Age range of interval:227.00000 - 208.50000 m.y. ago
Stratigraphy
Geological group:Dockum Formation:Cooper Canyon
Stratigraphy comments: Probably slightly lower than the Post Quarry (MOTT 3624).
Lithology and environment
Primary lithology: not reported
Secondary lithology: sandstone
Includes fossils?Y
Lithology description: red mudstone facies. ETE rock type adj: "thick,red", ETE lithology comments: 0. "A thick red mudstone unit"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Articulated whole bodies:none
Associated major elements:many
Disassociated major elements:many
Disassociated minor elements:many
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:Neyland
Metadata
Database number:218149
Authorizer:B. Gee Enterer:B. Gee
Research group:vertebrate
Created:2021-02-19 12:33:33 Last modified:2021-02-19 12:33:33
Access level:the public Released:2021-02-19 12:33:33
Creative Commons license:CC BY
Reference information

Primary reference:
29602. J. W. Martz. 2008. Lithostratigraphy, chemostratigraphy, and vertebrate biostratigraphy of the Dockum Group (Upper Triassic), of southern Garza County, West Texas. Unpublished PhD thesis, Texas Tech University. 1-504 [R. Butler/R. Butler/R. Butler]