Tangle Ridge, section T, 134 m: Sunwaptan, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Olenida - Idahoiidae
Wilbernia pero (Walcott 1890)
Trilobita - Asaphida - Ptychaspididae
Keithiella cf. depressa Rasetti 1944
Ptychaspis cf. miniscaensis (Owen 1852)
Trilobita - Ellipsocephaloididae
Ellipsocephaloides silvestris
Agnostida - Diplagnostidae
Pseudagnostus (Pseudagnostus) josepha (Hall 1863)
recombined as Pseudagnostus josephus
see common names

Geography
Country:Canada State/province:Alberta
Coordinates: 52.3° North, 117.3° West (view map)
Paleocoordinates:2.1° South, 74.9° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cambrian Epoch:Furongian
10 m.y. bin:Cambrian 5
Key time interval:Sunwaptan
Age range of interval:493.00000 - 487.50000 m.y. ago
Stratigraphy
Formation:Bison Creek
Stratigraphic resolution:bed
Stratigraphy comments: Ellipsocephaloides zone, E. silvestris subzone
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: thrombolite buildups
Environment:reef, buildup or bioherm
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Reef 1395
Database number:81306
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2008-06-18 05:53:56 Last modified:2008-06-18 08:53:56
Access level:authorizer only Released:2010-01-08 10:39:56
Creative Commons license:CC BY
Reference information

Primary reference:
14608. S. R. Westrop. 1986. Trilobites of the Upper Cambrian Sunwaptan Stage, southern Canadian Rocky Mountains, Alberta. Palaeontographica Canadiana 3:1-179 [S. Peters/S. Peters/U. Merkel]