GSC 402-Y, Baillie-Hamilton Is.: Sheinwoodian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
- Leperditicopida
- Leperditiidae
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"Leperditia" hisingeri
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Trilobita
- Proetida
- Proetidae
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Proetus cf. granulatus
Lindström 1885
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| recombined as Gerastos granulatus | ||||||||||
| P. (s.l.) | ||||||||||
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Trilobita
- Phacopida
- Calymenidae
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Calymene sp.
Brongniart 1822
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Trilobita
- Phacopida
- Encrinuridae
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Encrinurus (Fragiscutum) sp.
Emmrich 1844
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Trilobita
- Phacopida
- Cheiruridae
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Sphaerexochus dimorphus n. sp.
Whittington and Evitt 1953
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Trilobita
- Lichida
- Lichidae
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Lichidae informal n. gen. n. sp
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| Lichid n. gen. n. sp. | ||||||||||
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Lichidae informal indet. 3
Hawle and Corda 1847
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| Indeterminate lichid sp. 3 | ||||||||||
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Borealarges mikulicorum
(Perry and Chatterton 1977)
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Adrain and Ramskold 1996 | |||||||||
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? Acanthopyge rohri
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Adrain and Ramskold 1996 | |||||||||
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Dicranogmus skinneri n. sp.
Perry and Chatterton 1977
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Trilobita
- Odontopleurida
- Odontopleuridae
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Acidaspis sp.
Murchison 1839
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 75.8° North, 94.5° West (view map) | ||
| Paleocoordinates: | 3.5° North, 32.7° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Wenlock |
| Stage: | Sheinwoodian | 10 m.y. bin: | Silurian 2 |
| Key time interval: | Sheinwoodian | ||
| Age range of interval: | 433.40000 - 430.50000 m.y. ago |
Stratigraphy
| Formation: | Cape Phillips | ||||
| Local section: | Y | Local bed: | 105.5 ft | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Parts of section yielding trilobites are from about 97.5 ft. to 245 ft. above base, spanning early Wenlockian Cyrtograptus canadenses through penultimate Wenlockian Monograptus testis zones. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal "limestone" | ||
| Secondary lithology: | calcareous "shale" | ||
| Lithology description: "alternating fine grained, argillaceous limestones and lesser amounts of interbedded calcareous shale and biogenic limestone" Column shows the last two named lithologies to be most relevant to these collections. | |||
| Environment: | slope | Tectonic setting: | passive margin |
| Geology comments: SEP environmental call based on given info and regional context | |||
Taphonomy
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
Metadata
| Also known as: | Trilobite-Ostracode Fauna, Cape Phillips Fm. | ||
| Database number: | 26004 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2002-09-30 14:33:02 | Last modified: | 2006-09-12 16:52:14 |
| Access level: | the public | Released: | 2002-09-30 14:33:02 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 7202. | D. G. Perry and B. D. E. Chatterton. 1977. Silurian (Wenlockian) trilobites from Baillie-Hamilton Island, Canadian Arctic Archipelago. Canadian Journal of Earth Sciences 14:285-317 [M. Foote/M. Foote/M. Foote] |
Secondary references:
| 7199 | J. M. Adrain and L. Ramskold. 1996. The lichid trilobite Radiolichas in the Silurian of Arctic Canada and Gotland, Sweden. Geological Magazine 133:147-158 [M. Foote/M. Foote/M. Foote] |