Narwhal O-58, Red Head Rapids Fm, Amorphognathus ordovicicus Z: Gamach, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta - Prioniodontida - Rhipidognathidae
Rhipidognathus symmetricus Branson et al. 1951
Conodonta - Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus (Branson and Mehl 1933)
see common names

Geography
Country:Canada State/province:Manitoba
Coordinates: 57.9° North, 84.3° West (view map)
Paleocoordinates:10.1° South, 45.9° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Hirnantian 10 m.y. bin:Ordovician 5
Key time interval:Gamach Conodont zone: Amorphognathus ordovicicus
Age range of interval:445.60000 - 443.70000 m.y. ago
Stratigraphy
Formation:Red Head Rapids
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: dolomite
Secondary lithology: evaporite
Lithology description: dolostone, calcareous dolostone and evaporite
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:177683
Authorizer:W. Kiessling Enterer:M. Krause
Research group:marine invertebrate
Created:2016-04-08 05:17:12 Last modified:2016-04-08 05:17:12
Access level:authorizer only Released:2018-04-08 05:17:12
Creative Commons license:CC BY
Reference information

Primary reference:

58686. S. Zhang and C. R. Barnes. 2007. Late Ordovician- Early Silurian conodont biostratigraphy and thermal maturity, Hudson Bay Basin. Bulletin of Canadian Petroleum Geology 55(3):179-216 [E. Jarochowska/P. Nätscher]