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
Parvidiabolus acutus Johns 1997
3 specimens
Chondrichthyes - Hybodontiformes
Polyacrodus contrarius Johns 1997
1 specimen
recombined as Omanoselache contrarius
unclassified
Actinopterygii indet. (Cope 1887)
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]