Marble Canyon collection: Middle Cambrian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Zhacantoides sp.
2 specimens
Hexactinellid indet.
1 specimen
Lopoda indet.
1 specimen
Algae
Algae indet.
16 specimens
Bryopsidophyceae - Caulerpales - Caulerpaceae
Margaretia sp. Walcott 1931
62 specimens
unclassified
Metaspriggina sp. Simonetta and Insom 1993
44 specimens
Annelida indet. Lamarck 1809
18 specimens
Burgessochaeta sp.
297 specimens
Acanthotretella sp. Holmer and Caron 2006
3 specimens
Lingulata - Acrotretida - Acrotretidae
? Linnarssonia indet. Walcott 1885
4 specimens
Paterinata
Paterinata indet. Williams et al 1996
2 specimens
Hyolithida - Hyolithidae
Haplophrentis sp. Babcock and Robison 1988
445 specimens
unclassified
Arthropoda informal new J
236 specimens
Arthropoda informal new I
41 specimens
Arthropoda informal new H
10 specimens
Arthropoda informal new E
5 specimens
Arthropoda informal new C
2 specimens
Arthropoda informal new D
2 specimens
Arthropoda informal new K
2 specimens
Arthropoda informal new A
2 specimens
Arthropoda informal new L
1 specimen
Arthropoda informal new B
1 specimen
Arthropoda informal new F
1 specimen
Arthropoda informal new G
1 specimen
Parvancorinidae
Primicaris sp. Zhang et al. 2003
104 specimens
Trilobita - Corynexochida - Dolichometopidae
Bathyuriscus sp. Meek 1873
5 specimens
Trilobita - Ptychopariida - Alokistocaridae
Ehmaniella sp. Resser 1937
2 specimens
Trilobita - Ptychopariida - Ptychopariidae
Elrathina sp. Resser 1937
2 specimens
synonym of Ptychoparella
unclassified
Sidneyia sp. Walcott 1911
53 specimens
Aglaspidida
Aglaspida indet. Walcott 1911
1 specimen
replaced by Aglaspidida
Agnostida - Peronopsidae
Peronopsis sp. Corda 1847
284 specimens
Nektaspidida - Naraoiidae
Misszhouia longicaudata
2 specimens
Naraoia compacta Walcott 1912
1 specimen
Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
3 specimens
Radiodonta - Anomalocarididae
Anomalocarididae indet. Raymond 1935
1 specimen
Isoxyida - Isoxyidae
Isoxys sp. Walcott 1890
1 specimen
Mollisoniida - Mollisoniidae
Mollisonia sp. Walcott 1912
4 specimens
Hymenocarina - Perspicarididae
Perspicaris sp. Briggs 1977
2 specimens
unclassified
? Branchiocaris sp. Briggs 1976
3 specimens
Canadaspidida - Canadaspididae
Canadaspis sp. Novozhilov in Orlov 1960
6 specimens
unclassified
Habelia sp.
5 specimens
Bradoriida - Svealutidae
Liangshanella sp. Huo 1956
852 specimens
Tuzoida - Tuzoiidae
Tuzoia sp. Walcott 1912
9 specimens
unclassified
Molaria sp.
25 specimens
Priapulida indet. Théel 1906
1 specimen
Ottoidae
Banffia sp. Walcott 1911
1 specimen
Selkirkiidae
Selkirkia sp. Walcott 1911
2 specimens
unclassified
Ctenophora indet. Eschscholtz 1829
1 specimen
Pikaidae
cf. Oesia sp. Walcott 1911
465 specimens
Demospongiae - Protomonaxonida - Leptomitidae
cf. Leptomitus sp. Walcott 1886
1 specimen
Marrellomorpha - Marrellida
Marrella sp. Walcott 1912
19 specimens
see common names

Geography
Country:Canada State/province:British Columbia
Coordinates: 51.2° North, 116.1° West (view map)
Paleocoordinates:3.6° South, 79.8° West
Basis of coordinate:estimated from map
Altitude:1718 meters
Geographic resolution:outcrop
Time
Period:Cambrian Epoch:Miaolingian
10 m.y. bin:Cambrian 3-4
Key time interval:Middle Cambrian Trilobite zone: Ehmaniella
Age range of interval:509.00000 - 497.00000 m.y. ago
Stratigraphy
Formation:Stephen
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified calcareous claystone
Secondary lithology: lithified lime mudstone
Includes fossils?Y
Lithology description: 2-m horizon of fine-grained claystones near the top of the Stephen Formation
Environment:slope
Geology comments: like the Walcott Quarry and most other soft-bodied assemblages of the Burgess Shale, occurs in direct association with the Cathedral Escarpment, a major break in submarine topography. The new assemblage was preserved on the offshore margin of the escarpment.
Taphonomy
Modes of preservation:body,soft parts,original calcite,original carbon
Lagerst�tten type:conservation
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:excellent
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taphonomic analysis
Museum repositories:ROM
Metadata
Database number:171308
Authorizer:S. Peters Enterer:S. Peters
Modifier:S. Peters Research group:marine invertebrate
Created:2015-07-05 23:23:06 Last modified:2017-10-19 10:25:26
Access level:the public Released:2015-07-05 23:23:06
Creative Commons license:CC BY
Reference information

Primary reference:
55717. J. B. Caron, R. R. Gaines, C. Aria, M. G. Mángano, and M. Steng. 2014. A new phyllopod bed-like assemblage from the Burgess Shale of the Canadian Rockies. Nature Communications 5(3210):1-6 [S. Peters/S. Peters]