GSC C-22185, Baillie-Hamilton Is.: Sheinwoodian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Phacopida - Cheiruridae
Sphaerexochus dimorphus n. sp. Whittington and Evitt 1953
Youngia sp. Lindström 1885
Trilobita - Phacopida - Calymenidae
Calymene sp. Brongniart 1822
Trilobita - Corynexochida - Illaenidae
Illaenidae indet. Hawle and Corda 1847
Trilobita - Odontopleurida - Odontopleuridae
Dudleyaspis sp. Prantl and Pribyl 1949
Trilobita - Proetida - Proetidae
Proetus sp. Steininger 1831
P. (s.l.)
Trilobita - Lichida - Lichidae
Lichidae informal indet. 3 Hawle and Corda 1847
Indeterminate lichid sp. 3
? Acanthopyge rohri
Adrain and Ramskold 1996
Borealarges mikulicorum (Perry and Chatterton 1977)
Adrain and Ramskold 1996
Dicranogmus skinneri n. sp. Perry and Chatterton 1977
Ostracoda - Leperditellocopida - Aparchitidae
Aparchites sp.
see common names

Geography
Country:Canada State/province:Northwest Territories
Coordinates: 75.8° North, 94.5° West (view map)
Paleocoordinates:3.5° North, 32.7° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Silurian Epoch:Wenlock
Stage:Sheinwoodian 10 m.y. bin:Silurian 2
Key time interval:Sheinwoodian
Age range of interval:433.40000 - 430.50000 m.y. ago
Stratigraphy
Formation:Cape Phillips
Stratigraphic resolution:bed
Stratigraphy comments: Parts of section yielding trilobites are from about 97.5 ft. to 245 ft. above base, spanning early Wenlockian Cyrtograptus canadenses through penultimate Wenlockian Monograptus testis zones.
Lithology and environment
Primary lithology:shelly/skeletal "limestone"
Secondary lithology: calcareous "shale"
Lithology description: "alternating fine grained, argillaceous limestones and lesser amounts of interbedded calcareous shale and biogenic limestone" Column shows the last two named lithologies to be most relevant to these collections.
Environment:slope Tectonic setting:passive margin
Geology comments: SEP environmental call based on given info and regional context
Taphonomy
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Also known as:Trilobite-Ostracode Fauna, Cape Phillips Fm.
Database number:26005
Authorizer:M. Foote Enterer:M. Foote
Modifier:P. Wagner Research group:marine invertebrate
Collections that are a subset of this one:26011
Created:2002-09-30 14:33:49 Last modified:2006-09-12 16:55:35
Access level:the public Released:2002-09-30 14:33:49
Creative Commons license:CC BY
Reference information

Primary reference:

7202. D. G. Perry and B. D. E. Chatterton. 1977. Silurian (Wenlockian) trilobites from Baillie-Hamilton Island, Canadian Arctic Archipelago. Canadian Journal of Earth Sciences 14:285-317 [M. Foote/M. Foote/M. Foote]

Secondary references:

7199 J. M. Adrain and L. Ramskold. 1996. The lichid trilobite Radiolichas in the Silurian of Arctic Canada and Gotland, Sweden. Geological Magazine 133:147-158 [M. Foote/M. Foote/M. Foote]