BA -110 [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 10 mm thick bed, 110 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 84423: 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
  -
Pterobranchia
  - Dithecodendridae
Dalyia sp. Walcott 1919 graptolite
unclassified
  -
Polychaeta
  -
Burgessochaeta
  -
Lingulata
 Lingulida - Obolidae
 Acrotretida -
Paterinata
 Paterinida - Paterinidae
Rhynchonellata
 Orthida - Bohemiellidae
Kutorginata
 Kutorginida - Nisusiidae
Hyolitha
 Hyolithida - Hyolithidae
Tergomya
 Scenelloidea - Scenellidae
Scenella amii Matthew 1902
 Sachitida -
Wiwaxia corrugata Matthew 1899
 Archaeopriapulida - Ottoidae
Ottoia prolifica Walcott 1911
 Archaeopriapulida - Miskoidae
Louisella pedunculata Conway Morris 1977
 Archaeopriapulida - Selkirkiidae
Selkirkia columbia Conway Morris 1977
Priscansermarinus barnetti
  -
Priscansermarinus ? barnetti Collins and Rudkin 1981
 Bradoriida - Svealutidae
Deuteropoda
 Hymenocarina - Perspicarididae
Crustacea
 Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
 Canadaspidida - Canadaspididae
Canadaspis perfecta Walcott 1912
Megacheira
 Yohoiida - Yohoiidae
Deuteropoda
 Isoxyida - Isoxyidae
 Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
Artiopoda
 Nektaspidida - Naraoiidae
Naraoia compacta Walcott 1912
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Corynexochida - Dorypygidae
 Ptychopariida - Alokistocaridae
Ehmaniella waptaensis Rasetti 1951 trilobite
Artiopoda
 Agnostida - Eodiscidae
Pagetia bootes Walcott 1916
 Agnostida - Peronopsidae
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens WestergÄrd 1936
 Vicissicaudata -
Emeraldella brocki Walcott 1912
Burgessia
  -
Molaria
  -
Habelia
  -
 Hallucishaniids -
Hallucigenia "sp. A" Conway Morris 1977
Hallucigenia sparsa Conway Morris 1977
unclassified
  -
"Metazoa "indet. L"" = Animalia
"Metazoa "indet. L"" = Animalia Linnaeus 1758
 Gephyrea - Pikaidae
Oesia disjuncta Walcott 1911
Anthozoa
 Octocorallia - Echmatocrinidae
Heteractinida
 Octactinellida - Eiffeliidae
Eiffelia globosa Walcott 1920
Demospongiae
  - Vauxiidae
Vauxia sp. Walcott 1920 demosponge
 Protomonaxonida - Takakkawiidae
Takakkawia lineata Walcott 1920 demosponge
 Protomonaxonida - Wapkiidae
Wapkia grandis Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920 demosponge
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia hicksi Hinde 1887 glass sponge
Algae
  -
Dictyophycus gracilis Ruedemann 1931
Yuknessia simplex
  -
Yuknessia simplex Walcott 1919
Morania
  -
Morania sp. Walcott 1919
Marpolia spissa
  -
Marpolia spissa Walcott 1919
Marrellomorpha
 Marrellida -
Pollingeria grandis
  - Wiwaxidae
Pollingeria grandis Walcott 1911