BA -120 [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 20 mm thick bed, 120 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 84424: 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.
Morania
  -
Morania sp. Walcott 1919
unclassified
  -
Algae
 Algae -
  -
Dictyophycus gracilis Ruedemann 1931
Yuknessia simplex
  -
Yuknessia simplex Walcott 1919
Florideophyceae
 Ceramiales - Rhodymeniophycidae
Wahpia sp. Walcott 1919
unclassified
  -
"Metazoa "indet. K"" = Animalia, "Metazoa "indet. E"" = Animalia, "Metazoa "indet. C"" = Animalia, "Metazoa "indet. D"" = Animalia, "Metazoa indet." = Animalia
"Metazoa "indet. K"" = Animalia Linnaeus 1758
"Metazoa "indet. E"" = Animalia Linnaeus 1758
"Metazoa "indet. C"" = Animalia Linnaeus 1758
"Metazoa "indet. D"" = Animalia Linnaeus 1758
"Metazoa indet." = Animalia Linnaeus 1758
Listed as "Siamese-lantern-like"
 Gephyrea - Pikaidae
Pikaia gracilens Walcott 1911
Oesia disjuncta Walcott 1911
Heteractinida
 Octactinellida - Eiffeliidae
Eiffelia globosa Walcott 1920
Demospongiae
 Protomonaxonida - Leptomitidae
Leptomitus lineatus Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920 demosponge
Crumillospongia sp. Rigby 1986 demosponge
Falospongia falata Rigby 1986 demosponge
 Protomonaxonida - Piraniidae
Pirania muricata Walcott 1920 demosponge
 Protomonaxonida - Hamptoniidae
Hamptonia bowerbanki Walcott 1920 demosponge
 Protomonaxonida - Takakkawiidae
Takakkawia lineata Walcott 1920 demosponge
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia hicksi Hinde 1887 glass sponge
Diagoniella hindei Walcott 1920 glass sponge
Cambrorhytium fragilis
  -
Anthozoa
 Octocorallia - Echmatocrinidae
Bosworthia
  -
Bosworthia sp. Walcott 1919
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920
Portalia
  -
Tergomya
 Scenelloidea - Scenellidae
Scenella amii Matthew 1902
 Sachitida -
Wiwaxia corrugata Matthew 1899
Odontogriphus
  -
Odontogriphus omalus Conway-Morris 1976
Kutorginata
 Kutorginida - Nisusiidae
Rhynchonellata
 Orthida - Bohemiellidae
Brachiopoda
  -
Acanthotretella spinosa Holmer and Caron 2006
Paterinata
 Paterinida - Paterinidae
Lingulata
 Lingulida - Obolidae
 Acrotretida -
Hyolitha
 Hyolithida - Hyolithidae
Burgessochaeta
  -
Peronochaeta
  -
Insolicorypha
  -
Polychaeta
  -
unclassified
  -
 Priapulomorpha -
Ancalagon minor Walcott 1911
 Archaeopriapulida - Miskoidae
Louisella pedunculata Conway Morris 1977
 Archaeopriapulida - Fieldiidae
Fieldia lanceolata Walcott 1912
 Archaeopriapulida - Ottoidae
Ottoia prolifica Walcott 1911
 Archaeopriapulida - Selkirkiidae
Selkirkia "sp. A" Walcott 1911
Selkirkia columbia Conway Morris 1977
 Hallucishaniids -
Hallucigenia "sp. A" Conway Morris 1977
Hallucigenia sparsa Conway Morris 1977
unclassified
  -
Arthropoda "indet. C" Latreille 1829
Arthropoda "indet. E" Latreille 1829
Arthropoda "indet. I" Latreille 1829
Molaria
  -
Plenocaris
  -
 Odaraiida - Pectocariidae
"Odaraia alata" = Pectocaris
"Odaraia alata" = Pectocaris
 Bradoriida - Svealutidae
Habelia
  -
Burgessia
  -
Megacheira
 Yohoiida - Yohoiidae
 Leanchoiliida - Leanchoiliidae
Deuteropoda
 Hymenocarina - Perspicarididae
Crustacea
 Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
 Canadaspidida - Canadaspididae
Canadaspis perfecta Walcott 1912
Deuteropoda
 Isoxyida - Isoxyidae
Artiopoda
 Nektaspidida - Naraoiidae
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 -
 Agnostida - Peronopsidae
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens WestergÄrd 1936
 Agnostida - Eodiscidae
Pagetia bootes Walcott 1916
 Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
 Radiodonta -
unclassified
  -
Holothuroidea
  -
Holothuroidea "indet. A" de Blainville 1834 sea cucumber
unclassified
  -
Pterobranchia
  - Dithecodendridae
Dalyia sp. Walcott 1919 graptolite
Marrellomorpha
 Marrellida -
Pollingeria grandis
  - Wiwaxidae
Pollingeria grandis Walcott 1911
Aysheaia pedunculata
  - Aysheaidae
Aysheaia pedunculata Walcott 1911