Shell Canada 19059: Siegen, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Proetida
- Proetidae
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Basidechenella inflecta
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= Arcticormistonia edgecombei
Lieberman 1994
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Lieberman 1994 | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | Yukon |
| Coordinates: | 64.8° North, 135.3° West (view map) | ||
| Paleocoordinates: | 1.2° North, 42.5° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Early Devonian |
| Stage: | Pragian | 10 m.y. bin: | Devonian 1 |
| Key time interval: | Siegen | ||
| Age range of interval: | 410.8 - 407.6 m.y. ago |
Stratigraphy
| Formation: | Prongs Creek |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Lithology description: small pockets of bioclastic pelmatozoan debris in reef-like limestones with stromatoporoids and corals, 15-25 m thick and 10-90 m lateral extension, limestones surrounded by shales | |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 207810 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2020-02-14 21:10:32 | Last modified: | 2020-02-14 21:10:32 |
| Access level: | the public | Released: | 2020-02-14 21:10:32 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 71715. | A. R. Ormiston. 1975. Siegenian trilobite zoogeography in Arctic North America. Fossils and Strata 4:391-398 [P. Wagner/P. Wagner] |
Secondary references:
| 44940 | B. S. Lieberman. 1994. Evolution of the trilobite subfamily Proetinae Salter, 1864, and the origin, diversification, evolutionary affinity, and extinction of the Middle Devonian proetid fauna of eastern North America. Bulletin of the American Museum of Natural History 223:1-176 [P. Wagner/P. Wagner] |