Section N - collection N-130: Dresbachian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida - Agnostidae
Acmarhachis acuta (Kobayashi 1938)
Innitagnostus innitens Opik 1967
Agnostida - Diplagnostidae
Pseudagnostus communis (Hall and Whitfield 1877)
Trilobita - Corynexochida - Cheilocephalidae
Cheilocephalus granulosus Palmer 1965
Trilobita - Ptychopariida - Norwoodiidae
Hardyoides cf. minor
Trilobita - Ptychopariida - Catillicephalidae
Welleraspis torontoria
Trilobita - Olenida - Aphelaspidae
Aphelaspis cf. brachyphasis Palmer 1962
Labiostria conveximarginata Palmer 1954
Olenaspella regularis Palmer 1962
see common names

Geography
Country:Canada State/province:Yukon
Coordinates: 62.7° North, 128.4° West (view map)
Paleocoordinates:3.1° North, 64.3° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Cambrian Epoch: Furongian
10 m.y. bin: Cambrian 5
Key time interval: Dresbachian
Age range of interval: 497 - 485.4 m.y. ago
Stratigraphy
Formation:Rabbitkettle
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:planar lamination lithified argillaceous,calcareous siltstone
Secondary lithology:planar lamination,fine lithified sandstone
Includes fossils?Y
Includes fossils?Y
Environment:offshore Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,replaced with silica,replaced with phosphate
Preservation of anatomical detail:excellent
Temporal resolution:time-averaged
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:chemical,mechanical,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:55278
Authorizer:S. Peters Enterer:S. Peters
Research group:marine invertebrate
Created:2005-10-05 14:08:11 Last modified:2005-10-05 17:08:11
Access level:the public Released:2005-10-05 14:08:10
Creative Commons license:CC BY
Reference information

Primary reference:
14672. B.R. Pratt. 1992. Trilobites of the Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada. Palaeontographica Canadiana (9)1-109 [S. Peters/S. Peters/S. Peters]