Weiser Ridge 1m, S Muddy Mountains, Moenkopi Formation, Virgin Limestone Member: Spathian, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Gyrochorte sp. Heer 1865
Arenicolites sp. Salter 1857
Cochlichnus sp. Hitchcock 1858
Asteriacitidae
Asteriacites lumbricalis Seilacher 1953
see common names

Geography
Country:United States State/province:Nevada
Coordinates: 36.6° North, 114.6° West (view map)
Paleocoordinates:7.9° North, 40.3° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Triassic Epoch: Early Triassic
Stage: Olenekian 10 m.y. bin: Triassic 1
Key time interval: Spathian
Age range of interval: 248.9 - 247.2 m.y. ago
Stratigraphy
Formation:Moenkopi Member:Virgin Limestone
Local section:Weiser Ridge Local bed:1 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: lower Virgin Limestone Member
Lithology and environment
Primary lithology: lithified siltstone
Secondary lithology: lithified sandstone
Lithology description: interbedded siltstones, mostly laminated, and sharp-based sandstones with wave- or current-rippled top surfaces
Environment:shallow subtidal indet.
Geology comments: storm beds
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:61814
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2006-07-03 06:12:13 Last modified:2006-07-03 09:12:13
Access level:the public Released:2006-07-03 06:12:12
Creative Commons license:CC BY
Reference information

Primary reference:
17825. R. J. Twitchett, J. M. Feinberg, D. D. O'Connor, W. Alvarez, and L. B. McCollum. 2005. Early Triassic Ophiuroids: their paleoecology, taphonomy and distribution. Palaios 20:213-223 [W. Kiessling/U. Merkel]