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
Metaspriggina sp. Simonetta and Insom 1993
44 specimens
Hyolithida - Hyolithidae
Haplophrentis sp. Babcock and Robison 1988
445 specimens
Lingulata - Acrotretida - Acrotretidae
? Linnarssonia indet. Walcott 1885
4 specimens
Paterinata
Paterinata indet. Williams et al 1996
2 specimens
unclassified
Acanthotretella sp. Holmer and Caron 2006
3 specimens
Annelida indet. Lamarck 1809
18 specimens
Burgessochaeta sp.
297 specimens
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
Molaria sp.
25 specimens
Mollisoniida - Mollisoniidae
Mollisonia sp. Walcott 1912
4 specimens
Isoxyida - Isoxyidae
Isoxys sp. Walcott 1890
1 specimen
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
Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
3 specimens
Radiodonta - Anomalocarididae
Anomalocarididae indet. Raymond 1935
1 specimen
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
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
Habelia sp.
5 specimens
Parvancorinidae
Primicaris sp. Zhang et al. 2003
104 specimens
Bradoriida - Svealutidae
Liangshanella sp. Huo 1956
852 specimens
Tuzoida - Tuzoiidae
Tuzoia sp. Walcott 1912
9 specimens
unclassified
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
Demospongiae - Protomonaxonida - Leptomitidae
cf. Leptomitus sp. Walcott 1886
1 specimen
Pikaidae
cf. Oesia sp. Walcott 1911
465 specimens
Algae
Algae indet.
16 specimens
Bryopsidophyceae - Caulerpales - Caulerpaceae
Margaretia sp. Walcott 1931
62 specimens
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]