D 208a CO: Cassinian, Utah
collected by J. Ross, Jr.

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Proetida - Bathyuridae
Goniotelina cf. brevis (Hintze 1953)
Trilobita - Asaphida - Asaphidae
Lachnostoma sp. Ross 1951
Isoteloides sp. Raymond 1910
Rhynchonellata - Orthida - Hesperonomiidae
Hesperonomia fontinalis
Rhynchonellata - Orthida - Finkelnburgiidae
Diparelasma rowelli
Diparelasma sp. Ulrich and Cooper 1936
Rhynchonellata - Pentamerida - Tetralobulidae
Syntrophopsis cf. polita
Strophomenata - Billingsellida - Polytoechiidae
Tritoechia loganensis
Radiocyatha - Soanitidae
Calathium sp. Billings 1865
see common names

Geography
Country:United States State/province:Utah County:Cache
Coordinates: 41.7° North, 111.8° West (view map)
Paleocoordinates:8.0° South, 79.2° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Early/Lower Ordovician
10 m.y. bin:Ordovician 1-2
Key time interval:Cassinian Trilobite zone: Pseudocybele nasuta
Age range of interval:482.00000 - 470.00000 m.y. ago
Stratigraphy
Formation:Garden City Member:Upper
Local section:S. Side Blind Hollow, Logan area Local bed:250 ft
Local order:bottom to top
Regional order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Ibexian Zone J.
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: no section accompanies report; see Ross 1951 for sections of Garden City
Environment:open shallow subtidal Tectonic setting:passive margin
Geology comments: carbonate ramp, above wave base
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:biostratigraphic analysis
Collectors:J. Ross, Jr.
Metadata
Also known as:SF 423
Database number:104062
Authorizer:S. Finnegan Enterer:S. Finnegan
Modifier:P. Wagner Research group:marine invertebrate
Created:2011-02-07 12:04:21 Last modified:2012-08-25 15:49:40
Access level:the public Released:2011-02-07 12:04:21
Creative Commons license:CC BY
Reference information

Primary reference:
25408. R. J., J.r. Ross. 1968. Brachiopods from the Upper Part of the Garden City Formation (Ordovician) North-Central Utah. United States Geological Survey Professional Paper 593-H [S. Finnegan/S. Finnegan/P. Wagner]