BA -260 [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 (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 3 mm thick bed, 260 cm 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 84432: 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
  -
Algae
  -
Dictyophycus gracilis Ruedemann 1931
Yuknessia simplex
  -
Yuknessia simplex Walcott 1919
Morania
  -
Morania sp. Walcott 1919
unclassified
  -
"Metazoa "indet. H"" = Animalia, "Metazoa "indet. G"" = Animalia, "Metazoa "indet. B"" = Animalia
"Metazoa "indet. H"" = Animalia Linnaeus 1758
Listed as "indet. H"
"Metazoa "indet. G"" = Animalia Linnaeus 1758
Listed as "indet. G"
"Metazoa "indet. B"" = Animalia Linnaeus 1758
Listed as "indet. B"
 Gephyrea - Pikaidae
Oesia sp. Walcott 1911
Demospongiae
 Protomonaxonida - Takakkawiidae
Takakkawia lineata Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920 demosponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920
Burgessia
  -
 Bradoriida - Svealutidae
 Odaraiida - Pectocariidae
"Odaraia alata" = Pectocaris
"Odaraia alata" = Pectocaris
Molaria
  -
 Tuzoida - Tuzoiidae
Tuzoia "sp. A" Walcott 1912
 Radiodonta -
 Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Ptychopariida - Alokistocaridae
"Chancia palliseri" = Chanciaopsis palliseri Walcott 1908 trilobite
 Ptychopariida - Ptychopariidae
Elrathina cordillerae Rominger 1887 trilobite
Artiopoda
 Nektaspidida - Naraoiidae
Naraoia compacta Walcott 1912
 Agnostida - Peronopsidae
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens WestergÄrd 1936
 Vicissicaudata -
Crustacea
 Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
 Canadaspidida - Canadaspididae
Canadaspis perfecta Walcott 1912
Deuteropoda
 Hymenocarina - Perspicarididae
Megacheira
 Yohoiida - Yohoiidae
 Leanchoiliida - Leanchoiliidae
Leanchoilia superlata Walcott 1912
Habelia
  -
 Parvancorinomorpha - Parvancorinidae
Skania sp. Walcott 1931
 Hallucishaniids -
Hallucigenia sp. Conway Morris 1977
 Archaeopriapulida - Ottoidae
Ottoia prolifica Walcott 1911
 Archaeopriapulida - Selkirkiidae
Selkirkia "sp. A" Walcott 1911
Selkirkia columbia Conway Morris 1977
 Archaeopriapulida - Miskoidae
Louisella pedunculata Conway Morris 1977
unclassified
  -
Annelida "indet. B" Lamarck 1809
Listed as "worm-like B"
Burgessochaeta
  -
Paterinata
 Paterinida - Paterinidae
Lingulata
 Acrotretida -
Kutorginata
 Kutorginida - Nisusiidae
Rhynchonellata
 Orthida - Bohemiellidae
Hyolitha
 Hyolithida - Hyolithidae
Odontogriphus
  -
Odontogriphus omalus Conway-Morris 1976
 Sachitida -
Wiwaxia corrugata Matthew 1899
Tergomya
 Scenelloidea - Scenellidae
Scenella amii Matthew 1902
 Bilateria - Eldoniidae
Eldonia ludwigi Walcott 1911
Pollingeria grandis
  - Wiwaxidae
Pollingeria grandis Walcott 1911
Canadia spinosa
  - Canadidae
Canadia spinosa Walcott 1911
Marrellomorpha
 Marrellida -