District of Mackenzie, Monster River Headwaters, Unit 11 Road River Formation: Ludlow, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Cryptograptidae
Linograptus phillipsi
Linograptus phillipsi multiramosus
Pterobranchia - Graptoloidea - Monograptidae
Monograptus sp.
Monograptus cf. crinitus
Monograptus bohemicus (Barrande 1850)
recombined as Bohemograptus bohemicus
see common names

Geography
Country:Canada State/province:Northwest Territories County:District of Mackenzie
Coordinates: 64.9° North, 139.6° West (view map)
Paleocoordinates:6.8° North, 52.3° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Silurian Epoch:Ludlow
10 m.y. bin:Silurian 2
*Period:Late/Upper Silurian *Epoch:Early/Lower Ludlow
Key time interval:Ludlow
Age range of interval:427.40000 - 423.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Road River
Stratigraphic resolution:formation
Stratigraphy comments: Collection taken from 1961-1971 feet above base.
Lithology and environment
Primary lithology:gray "shale"
Includes fossils?Y
Lithology description: "Shale, limy, dark grey, weathers dark grey, very recessive."
Environment:deep subtidal indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:25531
Authorizer:S. Holland Enterer:T. Hanson
Modifier:S. Holland Research group:marine invertebrate
Created:2002-09-15 14:36:59 Last modified:2003-07-08 09:41:30
Access level:the public Released:2002-09-15 14:36:59
Creative Commons license:CC BY
Reference information

Primary reference:

7121. B. S. Norford. 1963. Reconnaissance of the Ordovician and Silurian rocks of Northern Yukon Territory. Geological Survey of Canada Department of Mines and Technical Surveys, Paper 63(39):1-139 [S. Holland/T. Hanson/P. Wagner]