Aylard Creek East, Laird formation, ACE-2 (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

•ichthyolith zone - Coniunctio aequirugosa

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by M. J. Orchard in 1982

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 150041: authorized by Matthew Clapham, entered by Priscilla Vazquez on 31.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Actinopterygii -
Actinopterygii indet. Cope 1887 ray-finned fish
teeth and scales
Chondrichthyes
  -
Labrilancea glabrisubtricuspis Johns 1997 elasmobranch
Labrilancea glabrisubcuspis Johns 1997 elasmobranch
Ornatilabrilancea circacarina Johns 1997 elasmobranch
Sacrisubcorona submedicarina Johns 1997 elasmobranch
Sacrisubcorona circabasis Johns et al. 1997 elasmobranch
Lobaticorona tumiditurris n. sp. Johns 1997 elasmobranch
Lobaticorona floridibasis Johns 1997 elasmobranch
Lobaticorona floriditurris Johns 1997 elasmobranch
Lobaticorona tumidibasis Johns 1997 elasmobranch
Lobaticorona floriditabella Johns 1997 elasmobranch
Parvidiabolus obliquus Johns 1997 elasmobranch
Parvidiabolus convexus Johns 1997 elasmobranch
Parvidiabolus acutus Johns 1997 elasmobranch
Parvidiabolus longisulcus Johns 1997 elasmobranch
Undulaticorona propensa Johns 1997 elasmobranch
Glabrisubcorona sp. Johns 1997 elasmobranch
Coniunctio aequirugosa Johns 1997 elasmobranch
Coniunctio multirugosa Johns 1997 elasmobranch
 Hybodontiformes -
"Polyacrodus contrarius" = Omanoselache contrarius
"Polyacrodus contrarius" = Omanoselache contrarius Johns 1997 elasmobranch
 Synechodontiformes - Palaeospinacidae
Synechodus sp. Woodward 1888 elasmobranch
Synechodus volaticus Johns 1997 elasmobranch
  -
Labascicorona longifossae Johns 1997 elasmobranch
Labascicorona nitidifastigia Johns 1997 elasmobranch
Labascicorona mediflexura Johns 1997 elasmobranch
Labascicorona alata Johns 1997 elasmobranch
Labascicorona trifastigia Johns 1997 elasmobranch
Suaviloquentia obliquilingua Johns 1997 elasmobranch
Suaviloquentia brevilingua Johns 1997 elasmobranch
Parviscapha trivela n. gen. n. sp. Johns 1997 elasmobranch
Parviscapha univelum n. sp. Johns 1997 elasmobranch
Complanicorona rugosimargines Johns 1997 elasmobranch
Complanicorona glabra Johns 1997 elasmobranch
Duplisuggestus duplirugosus Johns 1997 cartilaginous fish
Duplisuggestus profundisulcus Johns 1997 cartilaginous fish
Proprigalea languidula Johns 1997 cartilaginous fish
Proprigalea medirugosa n. sp. Johns 1997 cartilaginous fish
Proprigalea mediglabra n. sp. Johns 1997 cartilaginous fish
Gracilisuggestus uniapex Johns 1997 cartilaginous fish
Gracilisuggestus triapices n. sp. Johns 1997 cartilaginous fish