Section 2, sample 127: Ashgill, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta - Panderodontida - Panderodontidae
Pseudobelodina ? dispansa (Glenister 1957)
Panderodus unicostatus (Branson and Mehl 1933)
original and current combination Paltodus unicostatus
Belodina confluens Sweet 1979
Conodonta - Prioniodontida - Balognathidae
Amorphognathus ordovicicus Bergström and Bergström 1996
see common names

Geography
Country:Canada State/province:Nunavut
Coordinates: 77.5° North, 85.0° West (view map)
Paleocoordinates:3.4° North, 34.4° West
Basis of coordinate:estimated from map
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 5
Key time interval:Ashgill Conodont zone: Amorphognathus ordovicicus
Age range of interval:449.60000 - 443.80000 m.y. ago
Stratigraphy
Formation:Allen Bay Member:Lower
Stratigraphic resolution:member
Stratigraphy comments: Amorphognathus ordovicicus Local-Range Zone
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: At section B (Fig. 2), the lower and upper parts of the Lower Member, Allen Bay Formation, are composed of limestone and dolostone, respectively, with a total thickness of 357 m. The Middle and Upper members of the formation are separated by a 35 m thick interfingering unit of dark grey and black shale of the Cape Phillips Formation. These members are 301 and 279 m in thickness, respectively, and each consists of a lower reefal facies limestone and an upper transitional facies limestone. breccia dolostone
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:188155
Authorizer:E. Jarochowska Enterer:S. Haegele
Modifier:P. Wagner Research group:micropaleontology,vertebrate
Created:2017-08-24 10:19:37 Last modified:2019-09-18 20:55:31
Access level:the public Released:2017-08-24 10:19:37
Creative Commons license:CC BY
Reference information

Primary reference:
63121. S. Zhang, K. Mirza, and C. R. Barnes. 2016. Upper Ordovician – Upper Silurian conodont biostratigraphy, Devon Island and southern Ellesmere Island, Canadian Arctic Islands, with implications for regional stratigraphy, eustasy, and thermal maturation. Canadian Journal of Earth Sciences 53(9):931-949 [E. Jarochowska/S. Haegele]