White Head Fm, Perce, Ashgill, 62L51 - Patzkowsky: Ashgill, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
orthacids indet.
informal dalmanellacids indet.
Sowerbyella cf. thraivensis Sowerby and Murchison 1839
Plectambonites sericea
Strophomenata - Strophomenida - Leptostrophiidae
Brachyprion sp. Shaler 1865
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena spp.
Strophomenata - Orthotetida - Triplesiidae
? Oxoplecia sp. Wilson 1913
Rhynchonellata - Rhynchonellida
Rhynchonellida indet. Kuhn 1949
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp. Hall 1860
see common names

Geography
Country:Canada State/province:Quebec County:Perce
Coordinates: 48.5° North, 64.2° West (view map)
Paleocoordinates:24.0° South, 39.2° West
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 5
*Period:Late/Upper Ordovician *Epoch:Ashgill - Ashgill
Key time interval:Ashgill
Age range of interval:449.60000 - 443.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:White Head
Stratigraphic resolution:group of beds
Stratigraphy comments: White Head Fm is divided into 9 numbered units. This collection is from unit 3, with unit 1 being the base of the formation.
Lithology and environment
Primary lithology: lithified silty "shale"
Lithology description: Little more than 50% silty shale, with ver common interbeds of micrite, silty to sandy limestone, calcarenitic limestone and calcarenite.
Environment:marine indet.
Taphonomy
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Taxonomic list comments:Brachiopods only.
Metadata
Database number:11822
Authorizer:M. Patzkowsky Enterer:A. Krug
Modifier:A. Krug Research group:marine invertebrate
Created:2001-09-13 07:41:30 Last modified:2004-06-03 14:17:11
Access level:the public Released:2001-09-13 07:41:30
Creative Commons license:CC BY
Reference information

Primary reference:

4171. P. M. Sheehan and P.J. Lesperance. 1981. Brachiopods from the White Head Formation (Late Ordovician-Early Silurian) of the Perce region, Quebec, Canada. IUGS Subcommission on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Field meeting, Anticosti-Gaspe, Quebec, 1981 2:1-321 [M. Patzkowsky/A. Krug/A. Krug]