White Head Fm, Perce, Ashgill, 62F6-Patzkowsky: Ashgill, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Strophomenacidae indet.
Strophomenata - Orthotetida - Triplesiidae
Oxoplecia sp. Wilson 1913
Triplesia informal sp. A Hall 1859
Strophomenata - Strophomenida - Sowerbyellidae
Sowerbyella ? gigantea Schuchert and Cooper 1930
Rhynchonellata - Atrypida - Cyclospiridae
? Cyclospira sp. Hall and Clarke 1893
Rhynchonellata - Orthida - Dalmanellidae
Dalmanella informal sp. A Hall and Clarke 1892
Rhynchonellata - Orthida - Plectorthidae
Plectorthis cf. magna Cooper and Kindle 1936
see common names

Geography
Country:Canada State/province:Quebec County:Perce
Coordinates: 48.8° North, 64.5° West (view map)
Paleocoordinates:23.6° South, 39.3° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
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 Formation is divided into 9 numbered units. This collection is from unit 1, the base of the formation.
Lithology and environment
Primary lithology: lithified sandy,calcareous "limestone"
Secondary lithology: lithified conglomerate
Lithology description: Basal quartz conglomerate followed by fossiliferous sandy calcarenite with scattered quartz pebbles.
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:11555
Authorizer:M. Patzkowsky Enterer:A. Krug
Modifier:C. Visaggi Research group:marine invertebrate
Created:2001-08-21 07:59:57 Last modified:2004-03-11 16:25:04
Access level:the public Released:2001-08-21 07:59:57
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]