Aylard Creek East, Laird formation, ACE-1: Ladinian, Canada
collected by M. J. Orchard 1982

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Actinopterygii indet. (Cope 1887)
teeth
Chondrichthyes
Proprigalea languidula n. gen., n. sp. Johns 1997
3 specimens
Chondrichthyes - Synechodontiformes - Palaeospinacidae
Synechodus sp. Woodward 1888
1 specimen
Synechodus volaticus n. sp. Johns 1997
5 specimens
Chondrichthyes - Hybodontiformes
Polyacrodus contrarius n. sp. Johns 1997
2 specimens
recombined as Omanoselache contrarius
Chondrichthyes
Complanicorona rugosimargines n. sp. Johns 1997
1 specimen
Complanicorona glabra n. gen., n. sp. Johns 1997
3 specimens
Sacrisubcorona submedicarina n. sp. Johns 1997
19 specimens
Sacrisubcorona circabasis n. gen., n. sp. Johns et al. 1997
16 specimens
Ornatilabrilancea circacarina n. gen., n. sp. Johns 1997
16 specimens
Lobaticorona floridibasis n. gen., n. sp. Johns 1997
5 specimens
Lobaticorona floriditurris n. sp. Johns 1997
2 specimens
Lobaticorona tumidibasis n. sp. Johns 1997
3 specimens
Lobaticorona floriditabella n. sp. Johns 1997
3 specimens
Labrilancea glabrisubcuspis n. gen., n. sp. Johns 1997
3 specimens
Labascicorona alata n. gen., n. sp. Johns 1997
53 specimens
Labascicorona longifossae n. sp. Johns 1997
34 specimens
Labascicorona trifastigia n. sp. Johns 1997
2 specimens
Labascicorona nitidifastigia n. sp. Johns 1997
1 specimen
Labascicorona mediflexura n. sp. Johns 1997
3 specimens
Parvidiabolus obliquus n. sp. Johns 1997
5 specimens
Parvidiabolus acutus n. gen., n. sp. Johns 1997
1 specimen
Parvidiabolus longisulcus n. sp. Johns 1997
1 specimen
Parvidiabolus convexus n. sp. Johns 1997
1 specimen
Undulaticorona propensa n. gen., n. sp. Johns 1997
2 specimens
Coniunctio multirugosa n. gen., n. sp. Johns 1997
2 specimens
Suaviloquentia brevilingua n. gen., n. sp. Johns 1997
2 specimens
Duplisuggestus duplirugosus n. gen., n. sp. Johns 1997
12 specimens
Gracilisuggestus uniapex n. gen., n. sp. Johns 1997
5 specimens
see common names

Geography
Country:Canada State/province:British Columbia
Coordinates: 56.2° North, 122.6° West (view map)
Paleocoordinates:24.1° North, 37.1° West
Time
Period:Triassic Epoch:Middle Triassic
Stage:Ladinian 10 m.y. bin:Triassic 2
Key time interval:Ladinian Ammonoid zone: ?Maclearnoceras maclearni
Age range of interval:242.00000 - 237.00000 m.y. ago
Stratigraphy
Formation:Laird
Stratigraphy comments: upper? Ladinian
ichthyolith zone - Coniunctio aequirugosa
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:M. J. Orchard Collection dates:1982
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:150040
Authorizer:M. Clapham Enterer:P. Vazquez
Modifier:P. Vazquez Research group:vertebrate
Created:2013-08-31 02:53:13 Last modified:2013-08-30 12:15:30
Access level:the public Released:2013-08-31 02:53:13
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]