Mackenzie Mountains, Flood Creek, Whittaker Fm Hesperorthis-Oepikina Fauna: Caradoc, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Strophomenata - Strophomenida - Furcitellidae
Oepikina sp. (Salmon 1942)
original and current combination Opikina
Rhynchonellata - Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Rhynchonellata - Atrypida - Anazygidae
Zygospira sp. Hall 1862
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp. Hall 1860
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
see common names

Geography
Country:Canada State/province:Northwest Territories County:District of Mackenzie
Coordinates: 62.1° North, 126.7° West (view map)
Paleocoordinates:7.4° North, 57.7° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Period:Middle Ordovician - Late/Upper Ordovician *Epoch:Caradocian
*Local age/stage:Kirklandian
Key time interval:Caradoc
Age range of interval:458.40000 - 449.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Whittaker
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:gray cherty/siliceous dolomite
Includes fossils?Y
Environment:deep subtidal indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:all microfossils,some macrofossils,species names
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Collection also includes gastropods, bivalve mollusks, ramose ectoprocts, receptaculitids, crinoid plates, and streptelasmatid corals.
Metadata
Database number:25324
Authorizer:S. Holland Enterer:T. Hanson
Modifier:S. Holland Research group:marine invertebrate
Created:2002-09-08 17:44:49 Last modified:2024-03-31 19:20:47
Access level:the public Released:2002-09-08 17:44:49
Creative Commons license:CC BY
Reference information

Primary reference:

7070. R. Ludvigsen. 1975. Ordovician formations and faunas, southern Mackenzie Mountains. Canadian Journal of Earth Sciences 12:663-697 [S. Holland/T. Hanson/J. Ju]