Hurricane Cliffs Locality HC 8 Bed 3: Spathian, Utah

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Algae
informal Algae indet.
52 specimens
Rhynchonellata - Terebratulida - Gusarellidae
Protogusarella smithi Perry and Chatterton 1979
8 specimens
Rhynchonellata - Rhynchonellida - Norellidae
Piarorhynchella triassica (Girty 1927)
4 specimens
Bivalvia - Pectinida - Pectinidae
? Pleuronectites sp. Schlotheim 1820
1 specimen
Gastropoda - Murchisoniina - Phymatopleuridae
Worthenia sp. de Koninck 1883
1 individual
see common names

Geography
Country:United States State/province:Utah County:Washington
Coordinates: 37.1° North, 113.3° West (view map)
Paleocoordinates:7.8° North, 39.1° West
Basis of coordinate:unpublished field data
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:Virgin
Local section:HC 8 Local bed:3
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:planar lamination,grading,shelly/skeletal "limestone"
Secondary lithology:planar lamination,pebbly siltstone
Includes fossils?Y
Lithology description: More or less horizontal bedded units with algal balls. Rich in crinoid debris. Rare rinks, crinoids and shell debris throughout. 7 sets with siltstone partings between sets. Two of these sets had rich flat pebble size clasts. 3 and 5 rich in clasts, 2 and 4 rich in algal balls.
Environment:carbonate indet.
Taphonomy
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:63021
Authorizer:A. McGowan Enterer:A. McGowan
Research group:marine invertebrate
Created:2006-08-02 06:47:25 Last modified:2006-08-02 09:47:25
Access level:database members Released:2006-08-02 06:47:24
Creative Commons license:CC BY
Reference information

Primary reference:

18152. A. J. McGowan, A. B. Smith, and P. D. Taylor. 2009. Faunal diversity, heterogeneity and body size in the Early Triassic: testing post-extinction paradigms in the Virgin Limestone of Utah, USA. Australian Journal of Earth Sciences 56:859-872 [A. McGowan/A. McGowan/M. Clapham]