BA -170 [Great Phyllopod Bed, Walcott Quarry Mbr, Burgess Shale Fm] (Cambrian of Canada)

Where: British Columbia, Canada (51.4° N, 116.5° W: paleocoordinates 3.7° S, 80.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Walcott Quarry Member (Burgess Shale Formation), Delamaran (511.2 - 506.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Great Phyllopod Bed of the Walcott Quarry Member, Burgess Shale Fm, Chancellor Gp, which overlies the Wash Limestone Mbr, and is overlain by the Raymond Quarry Shale Mbr. AGE: early Middle Cambrian, Delamaran North American stage. STRATIGRAPHIC POSITION: From 39 mm thick bed, 170 mm below "lower ginger layer, representing the base of the "Phyllopod Bed".

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified, calcareous siltstone and lithified, cherty/siliceous mudstone

• ENVIRONMENT: Deep-water depositional environment.
• SPECIFIC LITHOLOGY: Cm-scale interbedded siliceous mudstone and calcisiltites. LITHIFICATION: Lithified.

Size class: macrofossils

Preservation: cast, mold/impression, adpression, soft parts

Reposited in the ROM

Collection methods: quarrying,

• COLLECTOR: Royal Ontario Museum staff. REPOSTORY: Royal Ontario Museum (ROM).

Primary reference: J.-B. Caron and D. A. Jackson. 2008. Paleoecology of the Greater Phyllopod Bed community, Burgess Shale. Palaeogeography, Palaeoclimatology, Palaeoecology 258:222-256 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 84427: authorized by Austin Hendy, entered by Austin Hendy on 18.10.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for all taxa. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature, and species-resolution identifications.
unclassified
  -
Morania
  -
Morania sp. Walcott 1919
 Hallucishaniids -
Hallucigenia sp. Conway Morris 1977
unclassified
  -
Arthropoda "indet. 1" Latreille 1829
 Tuzoida - Tuzoiidae
Tuzoia "sp. A" Walcott 1912
Burgessia
  -
 Odaraiida - Pectocariidae
"Odaraia alata" = Pectocaris
"Odaraia alata" = Pectocaris
 Bradoriida - Svealutidae
Deuteropoda
 Hymenocarina - Perspicarididae
Crustacea
 Canadaspidida - Canadaspididae
Canadaspis perfecta Walcott 1912
 Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
 Mollisoniida - Mollisoniidae
Mollisonia sp. Walcott 1912
Megacheira
 Yohoiida - Yohoiidae
 Leanchoiliida - Leanchoiliidae
 Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
 Radiodonta -
Artiopoda
 Agnostida - Eodiscidae
Pagetia bootes Walcott 1916
 Agnostida - Peronopsidae
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens WestergÄrd 1936
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Ptychopariida - Alokistocaridae
Ehmaniella waptaensis Rasetti 1951 trilobite
 Corynexochida - Dorypygidae
Olenoides serratus Rominger 1887 trilobite
 Corynexochida - Oryctocephalidae
"Oryctocephalus burgessensis" = Oryctocephalites burgessensis
"Oryctocephalus burgessensis" = Oryctocephalites burgessensis Resser 1938 trilobite
Artiopoda
 Vicissicaudata -
 Nektaspidida - Naraoiidae
Naraoia compacta Walcott 1912
Hanburia
  -
Plenocaris
  -
 Archaeopriapulida - Selkirkiidae
Selkirkia "sp. A" Walcott 1911
Selkirkia columbia Conway Morris 1977
 Archaeopriapulida - Ottoidae
Ottoia prolifica Walcott 1911
 Archaeopriapulida - Fieldiidae
Fieldia lanceolata Walcott 1912
 Sachitida -
Wiwaxia corrugata Matthew 1899
Tergomya
 Scenelloidea - Scenellidae
Scenella amii Matthew 1902
Kutorginata
 Kutorginida - Nisusiidae
Rhynchonellata
 Orthida - Bohemiellidae
Lingulata
 Lingulida - Obolidae
 Acrotretida -
Paterinata
 Paterinida - Paterinidae
Hyolitha
 Hyolithida - Hyolithidae
unclassified
  -
Pterobranchia
  - Dithecodendridae
Dalyia sp. Walcott 1919 graptolite
Cambrorhytium major
  -
Cambrorhytium major Walcott 1908
Cambrorhytium fragilis
  -
unclassified
  -
Heteractinida
 Octactinellida - Eiffeliidae
Eiffelia globosa Walcott 1920
Hexactinellida
 Reticulosa - Protospongiidae
Diagoniella hindei Walcott 1920 glass sponge
Protospongia hicksi Hinde 1887 glass sponge
Demospongiae
 Protomonaxonida - Piraniidae
Pirania muricata Walcott 1920 demosponge
 Protomonaxonida - Leptomitidae
Leptomitus lineatus Walcott 1920 demosponge
 Protomonaxonida - Choiidae
Choia sp. Walcott 1920 demosponge
 Protomonaxonida - Wapkiidae
Wapkia grandis Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Crumillospongia sp. Rigby 1986 demosponge
Hazelia sp. Walcott 1920 demosponge
Falospongia falata Rigby 1986 demosponge
 Protomonaxonida - Hamptoniidae
Hamptonia bowerbanki Walcott 1920 demosponge
 Lithistida - Anthaspidellidae
Fieldospongia bellilineata Walcott 1920 demosponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920
Ctenorhabdotus
  -
Ctenorhabdotus sp. Conway Morris and Collins 1996
Yuknessia simplex
  -
Yuknessia simplex Walcott 1919
Waputikia ramosa
  -
Waputikia ramosa Walcott 1919
Algae
 Algae -
  -
Dictyophycus gracilis Ruedemann 1931
Aysheaia pedunculata
  - Aysheaidae
Aysheaia pedunculata Walcott 1911
Pollingeria grandis
  - Wiwaxidae
Pollingeria grandis Walcott 1911
Marrellomorpha
 Marrellida -