PBDB Collection

Beattie Ledge, Laird formation, GK-4-17 (Triassic of Canada)

Where: British Columbia, Canada (56.2° N, 122.6° W: paleocoordinates 24.1° N, 37.1° W)

When: ? Maclearnoceras maclearni ammonoid zone, Laird Formation, Ladinian (242.0 - 237.0 Ma)

• upper? Ladinian

•icthyolith zone - Coniunctio aequirugosa

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by D. W. Gibson in 1987

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 150049: authorized by Matthew Clapham, entered by Priscilla Vazquez on 31.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Osteichthyes
Actinopterygii -	Actinopterygii indet. Actinopterygii indet. Cope 1887 ray-finned fish teeth
Chondrichthyes
-	Proprigalea languidula, Proprigalea mediglabra, Gracilisuggestus uniapex, Labascicorona alata, Labascicorona nitidifastigia, Labascicorona mediflexura, Labascicorona longifossae, Labascicorona trifastigia, Complanicorona glabra, Lobaticorona floriditurris, Coniunctio aequirugosa, Sacrisubcorona circabasis, Sacrisubcorona submedicarina, Suaviloquentia brevilingua, Undulaticorona propensa, Ornatilabrilancea circacarina Proprigalea languidula Johns 1997 cartilaginous fish Proprigalea mediglabra Johns 1997 cartilaginous fish Gracilisuggestus uniapex Johns 1997 cartilaginous fish Labascicorona alata Johns 1997 elasmobranch Labascicorona nitidifastigia Johns 1997 elasmobranch Labascicorona mediflexura Johns 1997 elasmobranch Labascicorona longifossae Johns 1997 elasmobranch Labascicorona trifastigia Johns 1997 elasmobranch Complanicorona glabra Johns 1997 elasmobranch Lobaticorona floriditurris Johns 1997 elasmobranch Coniunctio aequirugosa Johns 1997 elasmobranch Sacrisubcorona circabasis Johns et al. 1997 elasmobranch Sacrisubcorona submedicarina Johns 1997 elasmobranch Suaviloquentia brevilingua Johns 1997 elasmobranch Undulaticorona propensa Johns 1997 elasmobranch Ornatilabrilancea circacarina Johns 1997 elasmobranch
Synechodontiformes - Palaeospinacidae	Synechodus sp. Synechodus sp. Woodward 1888 elasmobranch
Hybodontiformes -	"Polyacrodus contrarius" = Omanoselache contrarius "Polyacrodus contrarius" = Omanoselache contrarius Johns 1997 elasmobranch
-	Parvidiabolus acutus, Parvidiabolus obliquus, Duplisuggestus duplirugosus Parvidiabolus acutus Johns 1997 elasmobranch Parvidiabolus obliquus Johns 1997 elasmobranch Duplisuggestus duplirugosus Johns 1997 cartilaginous fish