Brown Hill, Laird formation, GK-1-48: Ladinian, Canada
collected by D. W. Gibson 1987
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
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Parvidiabolus acutus
Johns 1997
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3 specimens | |||||||||
Chondrichthyes
- Hybodontiformes
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Polyacrodus contrarius
Johns 1997
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1 specimen | |||||||||
recombined as Omanoselache contrarius | ||||||||||
unclassified
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Actinopterygii indet.
(Cope 1887)
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teeth | ||||||||||
see common names |
Geography
Country: | Canada | State/province: | British Columbia |
Coordinates: | 56.1° North, 122.9° West (view map) | ||
Paleocoordinates: | 24.1° North, 37.3° West |
Time
Period: | Triassic | Epoch: | Middle Triassic |
Stage: | Ladinian | 10 m.y. bin: | Triassic 2 |
Key time interval: | Ladinian | Other zone: | Coniunctio aequirugosa |
Age range of interval: | 242.00000 - 237.00000 m.y. ago |
Stratigraphy
Formation: | Laird | ||||
Stratigraphy comments: upper? Ladinian
ammonoid zone - undetermined icthyolith zone - Coniunctio aequirugosa or Synechodus multinodosus |
Lithology and environment
Primary lithology: | not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | acetic | ||
Reason for describing collection: | taxonomic analysis | ||
Collectors: | D. W. Gibson | Collection dates: | 1987 |
Collection method comments: Repository: National Type Collection of Invertebrate and Plant Fossils at the Geological Survey of Canada
601 Booth St, Ottawa, Ontario, K1A0E8 |
Metadata
Database number: | 150081 | ||
Authorizer: | M. Clapham | Enterer: | P. Vazquez | Research group: | vertebrate |
Created: | 2013-08-31 18:34:09 | Last modified: | 2013-08-31 03:34:09 |
Access level: | the public | Released: | 2013-08-31 18:34:09 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
48012. | M. J. Johns, C. R. Barnes, and M. J. Orchard. 1997. Taxonomy and biostratigraphy of middle and late Triassic Elasmobranch Ichthyoliths from Northeastern British Columbia. Geological Survey of Canada Bulletin 502:1-238 [M. Clapham/P. Vazquez/P. Wagner] |