NMMNH L-404, Garita Creek: Norian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Parasuchidae
Phytosauridae indet. Jaeger 1828
Database 2010 1 specimen
NMMNH P-3678, cervical vertebra
Reptilia
Stagonolepididae indet. (Lydekker 1887)
Database 2010 1 specimen
NMMNH P-17583, plate fragment
Typothorax coccinarum Cope 1875
Long and Murry 1995 2 specimens
NMMNH P-3679, 17579, fragments of paramedian and lateral plates
    = Typothorax antiquum Lucas et al. 2002
Lucas et al. 2002
see common names

Geography
Country:United States State/province:New Mexico County:San Miguel
Coordinates: 35.3° North, 104.5° West (view map)
Paleocoordinates:10.3° North, 43.9° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Triassic Epoch: Late Triassic
Stage: Norian 10 m.y. bin: Triassic 4
Key time interval: Norian
Age range of interval: 227 - 208.5 m.y. ago
Stratigraphy
Geological group:Chinle Formation:Garita Creek
Stratigraphic resolution:bed
Stratigraphy comments: Considered to be late Carnian (Adamanian) in age by the authors; however, recent radiometric dating suggests a Norian age for most or all of the Chinle. The Garita Creek Formation was formerly referred to as the "lower shale member of the Chinle Formation"
Lithology and environment
Primary lithology: conglomerate
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Disassociated minor elements:some
Fragmentation:frequent
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:NMMNH
Metadata
Database number:93583
Authorizer:R. Butler Enterer:R. Butler
Modifier:R. Butler Research group:vertebrate
Created:2010-01-25 12:42:04 Last modified:2010-01-26 06:46:56
Access level:the public Released:2010-01-25 12:42:04
Creative Commons license:CC BY
Reference information

Primary reference:

31705. S. G. Lucas, A. B. Heckert, and A. P. Hunt. 2002. A new species of the aetosaur Typothorax (Archosauria: Stagonolepididae) from the Upper Triassic of east-central New Mexico. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:221-233 [R. Butler/R. Butler]

Secondary references:

31715 N. M. M. Database. 2010. NMMNH collections database. New Mexico Museum of Natural History and Science [R. Butler/R. Butler]
14122ETE R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254 [M. Carrano/M. Carrano/P. Wagner]