Section 14, sample 459: Caradoc, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta
- Prioniodontida
- Balognathidae
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Amorphognathus ordovicicus
Bergström and Bergström 1996
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus unicostatus
(Branson and Mehl 1933)
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original and current combination Paltodus unicostatus | |||||||
Belodina confluens
Sweet 1979
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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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] |