Stephen Fm.: Merioneth, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Paterinata - Paterinida - Paterinidae
Paterina sp. Beecher 1891
Iphidella sp. Walcott 1905
Agnostida - Eodiscidae
Pagetia sp. Walcott 1916
Agnostida - Peronopsidae
Peronopsis sp. Corda 1847
Trilobita - Corynexochida - Dolichometopidae
Bathyuriscus sp. Meek 1873
? Athabaskia sp. Raymond 1928
originally entered as "? Athabaskia sp."
Trilobita - Corynexochida - Dorypygidae
Kootenia sp. (Walcott 1899)
Olenoides sp. Meek 1877
Trilobita - Corynexochida - Zacanthoididae
Zacanthoides sp. Walcott 1888
Trilobita - Corynexochida - Oryctocephalidae
Tonkinella sp. Mansuy 1916
Trilobita - Ptychopariida - Ptychopariidae
Elrathina sp. Resser 1937
Pachyaspis sp. Resser 1938
Trilobita - Ptychopariida - Solenopleuridae
Solenopleurella sp. Poulson 1927
Trilobita - Ptychopariida - Alokistocaridae
Alokistocare sp. Lorenz 1906
Chancia sp. Walcott 1924
see common names

Geography
Country:Canada State/province:Alberta-British Columbia
Coordinates: 52.8° North, 119.3° West (view map)
Paleocoordinates:0.9° South, 74.6° West
Basis of coordinate:based on political unit
Geographic resolution:basin
Time
Period: Cambrian Epoch: Furongian
10 m.y. bin: Cambrian 5
*Period:Late/Upper Cambrian
Key time interval: Merioneth Zone:  Bathyuriscus - Elrathina
Age range of interval: 497 - 485.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Stephen
Stratigraphy comments: "lower Bathyuriscus-Elrathina zone"
Lithology and environment
Primary lithology:black,gray "limestone"
Secondary lithology: "shale"
Environment:marine indet.
Geology comments: "thin bedded, black-gray ls and sh. outer detrital belt (BA4?) pre-orogenic geosyncline."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Taxonomic list comments:"Rasetti, 1951." [mostly trilobites and 2 brachs]
Metadata
Database number:213
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:J. Ju Research group:marine invertebrate
Created:1998-11-20 10:07:18 Last modified:2017-01-07 19:33:10
Access level:the public Released:1998-11-20 10:07:18
Creative Commons license:CC BY
Reference information

Primary reference:

60927. F. Rasetti. 1951. Middle Cambrian stratigraphy and faunas of the Canadian Rocky Mountains. Smithsonian Miscellaneous Collections 116(5):1-277 [M. Uhen/J. Ju]