Section 14, sample 459: Caradoc, Canada

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

Geography
Country:Canada State/province:Nunavut
Coordinates: 76.9° North, 96.8° West (view map)
Paleocoordinates:2.9° North, 38.4° West
Basis of coordinate:estimated from map
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
Key time interval:Caradoc Conodont zone: Amorphognathus ordovicicus Local-Range Zone
Age range of interval:458.40000 - 449.60000 m.y. ago
Stratigraphy
Formation:Irene Bay
Lithology and environment
Primary lithology: lithified argillaceous "limestone"
Lithology description: The Irene Bay Formation consists of about 83 m of recessive, greenish weathering, argillaceous limestone, and minor shale. A prolific shelly fauna, informally called the “Arctic Ordovician fauna”, occurs in the Irene Bay Formation and was regarded as late Caradoc in age (Kerr 1967). argillaceous limestone
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:188200
Authorizer:E. Jarochowska Enterer:S. Haegele
Modifier:S. Haegele Research group:micropaleontology,vertebrate
Created:2017-08-24 13:10:00 Last modified:2017-08-24 13:10:41
Access level:authorizer only Released:2019-08-24 13:10:00
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]