Eids Formation, Bathurst Island and Neighboring Islands: Emsian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Agoniatitida
- Mimagoniatitidae
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Mimagoniatites sp.
Eichenberg 1930
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Trilobita
- Corynexochida
- Styginidae
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Platyscutellum brevicephalus
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Trilobita
- Odontopleurida
- Odontopleuridae
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Leonaspis eremia
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Trilobita
- Harpetida
- Harpetidae
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Harpes cf. macrocephalus
Goldfuss 1839
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Trilobita
- Proetida
- Proetidae
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Dechenella sp.
Kayser 1880
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Trilobita
- Proetida
- Tropidocoryphidae
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Astycoryphe aff. cimelia
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Cornuproetus tozeri
Ormiston 1967
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Trilobita
- Proetida
- Aulacopleuridae
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Aulacopleura (Paraaulacopleura) cf. beyrichi
(Novák 1890)
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Trilobita
- Proetida
- Otarionidae
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Otarion balanops
Erben 1953
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Nunavut |
| Coordinates: | 76.0° North, 99.0° West (view map) | ||
| Paleocoordinates: | 8.7° South, 19.8° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | basin |
Time
| Period: | Devonian | Epoch: | Early Devonian |
| Stage: | Emsian | 10 m.y. bin: | Devonian 2 |
| Key time interval: | Emsian | ||
| Age range of interval: | 407.6 - 393.3 m.y. ago |
Stratigraphy
| Formation: | Eids | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Ormiston's age assignment is based mainly on trilobites found on eastern side of Bathurst Island. He states that formation may be of different age elsewhere. | |||||
Lithology and environment
| Primary lithology: | "limestone" | ||
| Secondary lithology: | mudstone | ||
| Lithology description: "dark limestones, shales, and mudstones which conformably underlie the Blue Fiord Formation at Blue Fiord, Ellesemere Island and over most of Bathurst Island..." | |||
| Environment: | offshore shelf | Tectonic setting: | cratonic basin |
| Geology comments: SEP: Trettin (1978) concluded that the Eids Formation accumulated in environments ranging from upper slope to inner, subitdal shelf | |||
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:Ormiston mentions selected fossils in connection with discussion of age of Eids Formation. Presumably not a complete faunal list. | |
Metadata
| Database number: | 26621 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-10-18 10:08:14 | Last modified: | 2006-09-15 15:13:14 |
| Access level: | the public | Released: | 2002-10-18 10:08:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7308. | A. R. Ormiston. 1967. Lower and Middle Devonian trilobites of the Canadian arctic islands. Geological Survey of Canada Bulletin 153:1-148 [M. Foote/M. Foote/M. Foote] |