Cow Head CH 49: Steptoean, Canada
collected by C. H. Kindle and H. B. Whittington 1950-

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida - Diplagnostidae
Pseudagnostus cf. obesus
Pseudagnostus cf. communis (Hall and Whitfield 1877)
Agnostida - Agnostidae
"Innitagnostus" inexpectans (Kobayashi 1938)
see common names

Geography
Country:Canada State/province:Newfoundland and Labrador
Coordinates: 49.9° North, 57.9° West (view map)
Paleocoordinates:6.9° North, 86.4° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cambrian Epoch: Furongian
10 m.y. bin: Cambrian 5
Key time interval: Steptoean Trilobite zone:  Aphelaspis
Age range of interval: 497 - 493 m.y. ago
Stratigraphy
Geological group:Cow Head Formation:Shallow Bay Member:Downes Point
Stratigraphy comments: Boulders sampled from unit 5.6 of Cow Head section of James and Stevens 1986
Lithology and environment
Primary lithology: lithified conglomerate
Lithology description: Carbonate conglomerate or breccia; clasts > 25 cm
Environment:shallow subtidal indet.
Geology comments: Boulders represent shallow water shelf environment; conglomerate is debris flow shed from shelf-margin sites
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:GSC
Collectors:C. H. Kindle and H. B. Whittington Collection dates:1950s-60s
Taxonomic list comments:Only agnostid taxa reported
Metadata
Database number:127450
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:J. Alroy Research group:marine invertebrate
Created:2012-05-15 00:33:46 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-05-15 00:33:46
Creative Commons license:CC0
Reference information

Primary reference:
41503. S. R. Westrop and J. D. Eoff. 2012. Late Cambrian (Furongian; Paibian, Steptoean) agnostoid arthropods from the Cow Head Group, western Newfoundland. Journal of Paleontology 86(2):201-237 [M. Hopkins/M. Hopkins]