Cholla Power Plant transformer station footprints: Aegean - Bithynian, Arizona
collected by S. Nesbitt 1998
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Chirotheriidae
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Chirotherium rex
Peabody 1948
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Chirotherium barthi
(Kaup 1835)
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original and current combination Chirotherium barthii | |||||||
Reptilia
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Rhynchosauroides sp.
Maidwell 1911
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Nesbitt 2005 | ||||||
see common names |
Geography
Country: | United States | State/province: | Arizona | County: | Navajo |
Coordinates: | 34.9° North, 110.3° West (view map) | ||||
Paleocoordinates: | 3.3° North, 38.9° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | local area |
Stratigraphy
Formation: | Moenkopi | Member: | Holbrook | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: probably from the lower Holbrook Member; Lucas & Schoch (2002: Lethaia 35: 97-106) inferred the Holbrook member to be earliest Anisian (Aegean–Bithynian) in age based upon tetrapod biostratigraphy (Eocyclotosaurus used to correlate Holbrook Member to German Upper Bundsandstein) and magnetostratigraphy |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | cast,trace |
Size of fossils: | macrofossils |
Spatial orientation: | life position |
Temporal resolution: | snapshot |
Spatial resolution: | autochthonous |
Collection methods and comments
Collection methods: | surface (float),surface (in situ),field collection,observed (not collected) | ||
Reason for describing collection: | general faunal/floral analysis | ||
Collectors: | S. Nesbitt | Collection dates: | 1998 |
Metadata
Database number: | 95093 | ||
Authorizer: | R. Butler | Enterer: | R. Butler |
Modifier: | R. Butler | Research group: | vertebrate |
Created: | 2010-04-06 07:43:19 | Last modified: | 2012-10-25 03:38:47 |
Access level: | the public | Released: | 2010-04-06 07:43:19 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
32387. | S. Nesbitt. 1999. A Middle Triassic ichnofauna: a preliminary report. Mesa Southwest Museum Bulletin 6:23-33 [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] | |
32378 | S. J. Nesbitt. 2005. The Moenkopi Formation along the Little Colorado River in eastern 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 9:13-23 [R. Butler/R. Butler] |