BA +0 [Great Phyllopod Bed, Walcott Quarry Mbr, Burgess Shale Fm] (Cambrian of Canada)

Where: British Columbia, Canada (51.4° N, 120.2° W: paleocoordinates 6.7° N, 89.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Walcott Quarry Member (Burgess Shale Formation), Delamaran (513.0 - 505.0 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 75 mm thick bed, 0 mm above "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 84422: authorized by Austin Hendy, entered by Austin Hendy on 18.10.2008, edited by Alex Lin

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.
Oscillatoriacea
  - Oscillatoriacea
Marpolia spissa Walcott 1919
Morania
  -
Morania sp. Walcott 1919
unclassified
  -
Miskoiidae
  - Miskoiidae
Louisella pedunculata Conway Morris 1977
Ottoia prolifica
  - Ottoiidae
Ottoia prolifica Walcott 1911
Fieldia lanceolata
  - Fieldiidae
Fieldia lanceolata Walcott 1912
Selkirkiidae
  - Selkirkiidae
unclassified
  -
Arthropoda "indet. I" Latreille 1829
Odaraia
  -
Megacheira
 Yohoiida - Yohoiidae
 Radiodonta - Anomalocarididae
"Laggania cambrica" = Peytoia
"Laggania cambrica" = Peytoia
 Radiodonta - Hurdiidae
Leanchoilia superlata
  -
Leanchoilia superlata Walcott 1912
Alalcomenaeus
  -
Emeraldella
  -
 Bradoriida - Svealutidae
Molaria
  -
Burgessia
  -
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Agnostida - Ptychagnostidae
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens Westergard 1936 trilobite
 Aulacopleurida - Alokistocaridae
Crustacea
 Canadaspidida -
 Canadaspidida - Canadaspididae
Canadaspis perfecta Walcott 1912
 Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
Marrella
  -
Plenocaris
  -
Isoxys
  -
 Nektaspida -
Naraoia compacta Walcott 1912
Hyolitha
 Hyolithida - Hyolithidae
Rhynchonellata
 Orthida - Bohemiellidae
Brachiopoda
  -
Acanthotretella spinosa1 Holmer and Caron 2006
Lingulata
 Acrotretida -
 Lingulida - Obolidae
Paterinata
 Paterinida - Paterinidae
Canadia
  -
Peronochaeta
  -
Burgessochaeta
  -
 Sachitida -
Wiwaxia corrugata Walcott 1911
Tergomya
 Scenelloidea - Scenellidae
Scenella amii Matthew 1902
Pikaia
  -
Eocrinoidea
 Gogiida - Lyracystidae
Lyracystis radiata2 Sprinkle and Collins 2006
unclassified
  -
"Metazoa indet." = Animalia
"Metazoa indet." = Animalia Linnaeus 1758
Listed as "Worm-like D"
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920
Oesia
  -
Eldonia ludwigi
  - Eldoniidae
Eldonia ludwigi Walcott 1911
Opabinia
  -
Demospongea
 Protomonaxonida - Takakkawiidae
Takakkawia lineata Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920 demosponge
Yuknessia simplex
  -
Yuknessia simplex Walcott 1919
 Algae -