McLay Spur, Baldonnel formation, MS-GB (Triassic of Canada)

Where: British Columbia, Canada (56.1° N, 122.7° W: paleocoordinates 27.5° N, 41.9° W)

When: Metapolygnathus nodosus/Metapolygnathus polygnathiformis conodont zone, Baldonnel Formation, Carnian (237.0 - 228.0 Ma)

• "?Baldonnel"

•upper Carnian

•ammonoid zone - Topites welleri/Tropites dilleri

•icthyolith zone - Synechodus multinodosus

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by M. J. Orchard in 1981

Collection methods: acetic

• Repository: National Type Collection of Invertebrate and Plant Fossils at the Geological Survey of Canada

•601 Booth St, Ottawa, Ontario, K1A0E8

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150146: authorized by Matthew Clapham, entered by Priscilla Vazquez on 02.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
  -
Proprigalea mediglabra Johns 1997 cartilaginous fish
Ornatilabrilancea circacarina Johns 1997 elasmobranch
Complanicorona glabra Johns 1997 elasmobranch
Complanicorona rugosimargines Johns 1997 elasmobranch
 Hybodontiformes - Acrodontidae
? Acrodus sp. Agassiz 1834 elasmobranch
 Hybodontiformes -
"Polyacrodus contrarius" = Omanoselache contrarius
"Polyacrodus contrarius" = Omanoselache contrarius Johns 1997 elasmobranch
  -
Sacrisubcorona circabasis Johns et al. 1997 elasmobranch
Labascicorona longifossae Johns 1997 elasmobranch
Labascicorona mediflexura Johns 1997 elasmobranch
Labascicorona alata Johns 1997 elasmobranch
Osteichthyes
 Actinopterygii -
Actinopterygii indet. Cope 1887 ray-finned fish
teeth and scales