Leupp Quarry: Spathian, Arizona
collected by Welles 1949

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
? Archosauromorpha indet. (Huene 1946)
Nesbitt 2005
At least 20 skeletons and thousands of bones of a new diapsid, possibly a basal archosauromorph
see common names

Geography
Country:United States State/province:Arizona County:Coconino
Coordinates: 35.3° North, 111.0° West (view map)
Paleocoordinates:5.4° North, 38.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Triassic Epoch:Early/Lower Triassic
Stage:Olenekian 10 m.y. bin:Triassic 1
Key time interval:Spathian
Age range of interval:248.90000 - 247.20000 m.y. ago
Stratigraphy
Formation:Moenkopi Member:Wupatki
Stratigraphic resolution:bed
Stratigraphy comments: upper part of the Wupatki Member; Lucas & Schoch (2002: Lethaia 35, 97-106) inferred the Wupatki Member to be Spathian in age based upon lithostratigraphic correlation
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:deltaic indet.
Geology comments: "foreset delta bed"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying
Reason for describing collection:general faunal/floral analysis
Museum repositories:UCMP
Collectors:Welles Collection dates:1949
Metadata
Database number:95116
Authorizer:R. Butler Enterer:R. Butler
Modifier:R. Butler
Created:2010-04-07 01:43:16 Last modified:2012-10-25 03:43:42
Access level:the public Released:2010-04-07 01:43:16
Creative Commons license:CC BY
Reference information

Primary reference:
32390. S. P. Welles. 1969. Collecting Triassic vertebrates in the Plateau Province. Journal of the West 8(2):231-246 [R. Butler/R. Butler]

Secondary references:

32399 S. G. Lucas and R. R. Schoch. 2002. Triassic temnospondyl biostratigraphy, biochronology and correlation of the German Bundsandstein and North American Moenkopi Formation. Lethaia 35:97-106 [R. Butler/R. Butler]
32396 S. Nesbitt and K. Thiessen. 2004. A bizarre new, basal diapsid reptile from the lower Moenkopi Formation (Lower Triassic) of northern Arizona. Journal of Vertebrate Paleontology 24(3 (suppl.)):97A-98A [R. Butler/R. Butler]
32384 S. J. Nesbitt. 2005. The tetrapod fauna of the Moenkopi Formation in northern Arizona. In S. J. Nesbitt, W. G. Parker, R. B. Irmis (eds.), Guidebook to the Triassic Formations of the Colorado Plateau in northern Arizona, Mesa Southwest Museum Bulletin 9:25-32 [R. Butler/R. Butler]