Section 10, sample 422: Caradoc, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Panderodontida
- Panderodontidae
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Plegagnathus dartoni
Stone and Furnish 1959
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Panderodus unicostatus
(Branson and Mehl 1933)
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| original and current combination Paltodus unicostatus | |||||||
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Belodina confluens
Sweet 1979
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Nunavut |
| Coordinates: | 76.9° North, 96.7° West (view map) | ||
| Paleocoordinates: | 2.9° North, 38.3° 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: | 188196 | ||
| Authorizer: | E. Jarochowska | Enterer: | S. Haegele |
| Modifier: | S. Haegele | Research group: | micropaleontology,vertebrate |
| Created: | 2017-08-24 13:00:32 | Last modified: | 2017-08-24 13:01:04 |
| Access level: | authorizer only | Released: | 2019-08-24 13:00:32 |
| 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] |