Eurekia apopsis Subzone: Trempealeauan, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Asaphida
- Ptychaspididae
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Idiomesus intermedius
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Trilobita
- Asaphida
- Remopleurididae
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Apatokephaloides sp.
Raymond 1924
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Trilobita
- Asaphida
- Eurekiidae
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Eurekia cf. apopsis
(Winston and Nicholls 1967)
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Corbinia horatio
Walcott 1924
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Trilobita
- Ptychopariida
- Kingstoniidae
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Larifugula leonensis
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Trilobita
- Ptychopariida
- Catillicephalidae
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Triarthropsis sp.
Ulrich 1931
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 51.5° North, 116.2° West (view map) | ||
| Paleocoordinates: | 2.8° South, 75.9° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| Key time interval: | Trempealeauan | ||
| Age range of interval: | 489.20000 - 485.40000 m.y. ago |
Stratigraphy
| Formation: | Survey Peak | Member: | basal silty | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Base of Survey Peak Fm. in Basal Silty Member | |||||
Lithology and environment
| Primary lithology: | lithified calcareous "shale" | ||
| Secondary lithology: | stromatolitic,intraclastic lithified "limestone" | ||
| Includes fossils? | Y | ||
| Includes fossils? | Y | ||
| Lithology description: Basal silty member consists of 40 to 50 m of calcareous shales with interbedded intrarudites, calcarenites, and clacisiltites; a few algal buildups are present in lower portion | |||
| Environment: | deep subtidal indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 54119 | ||
| Authorizer: | S. Peters | Enterer: | S. Peters |
| Modifier: | S. Peters | Research group: | marine invertebrate |
| Created: | 2005-09-23 07:56:10 | Last modified: | 2006-09-12 12:36:44 |
| Access level: | the public | Released: | 2005-09-23 07:56:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 14608. | S. R. Westrop. 1986. Trilobites of the Upper Cambrian Sunwaptan Stage, southern Canadian Rocky Mountains, Alberta. Palaeontographica Canadiana 3:1-179 [S. Peters/S. Peters/U. Merkel] |