Brown Hill, Laird formation, Sutherland Zone (Triassic of Canada)

Where: British Columbia, Canada (56.1° N, 122.9° W: paleocoordinates 24.1° N, 37.3° W)

When: Budurovignathus mungoensis conodont zone, Laird Formation, Ladinian (242.0 - 237.0 Ma)

• upper Ladinian

•ammonoid zone - Frankites sutherlandi

•icthyolith zone - Coniunctio aequirugosa

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by M. J. Orchard in 1980

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 150082: authorized by Matthew Clapham, entered by Priscilla Vazquez on 31.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
  -
? Gracilisuggestus sp. Johns 1997 cartilaginous fish
Labrilancea glabrisubtricuspis Johns 1997 elasmobranch
Labrilancea glabrisubcuspis Johns 1997 elasmobranch
Parvidiabolus obliquus Johns 1997 elasmobranch
Parvidiabolus acutus Johns 1997 elasmobranch
Parvidiabolus longisulcus Johns 1997 elasmobranch
Parviscapha univelum Johns 1997 elasmobranch
Sacrisubcorona circabasis Johns et al. 1997 elasmobranch
Sacrisubcorona submedicarina Johns 1997 elasmobranch
Coniunctio aequirugosa Johns 1997 elasmobranch
Coniunctio multirugosa Johns 1997 elasmobranch
Suaviloquentia obliquilingua Johns 1997 elasmobranch
Undulaticorona propensa Johns 1997 elasmobranch
Labascicorona alata Johns 1997 elasmobranch
Labascicorona longifossae Johns 1997 elasmobranch
Glabrisubcorona ? sp. Johns 1997 elasmobranch
 Synechodontiformes - Palaeospinacidae
Synechodus sp. Woodward 1888 elasmobranch
Synechodus volaticus Johns 1997 elasmobranch
  -
Lobaticorona floridibasis Johns 1997 elasmobranch
Lobaticorona tumidibasis Johns 1997 elasmobranch
Complanicorona glabra Johns 1997 elasmobranch
Ornatilabrilancea circacarina Johns 1997 elasmobranch
Duplisuggestus duplirugosus Johns 1997 cartilaginous fish
Osteichthyes
 Actinopterygii -
Actinopterygii indet. Cope 1887 ray-finned fish
teeth and scales