BA -235 [Great Phyllopod Bed, Walcott Quarry Mbr, Burgess Shale Fm]: Delamaran, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Florideophyceae - Ceramiales - Rhodomelaceae
Wahpia sp. Walcott 1919
Algae
Algae informal indet. D
Dictyophycus gracilis Ruedemann 1931
unclassified
Yuknessia simplex Walcott 1919
Marpolia spissa Walcott 1919
Morania sp. Walcott 1919
Hyolithida - Hyolithidae
Haplophrentis carinatus (Matthew 1899)
Paterinata - Paterinida - Paterinidae
Micromitra burgessensis
Micromitra burgessensis
Paterina zenobia
Lingulata - Lingulida - Obolidae
Lingulella waptaensis
Lingulata - Acrotretida
Acrothyra gregaria
unclassified
Ioxys acutangulus
Scleritomorph informal indet. A
Tubullela sp.
Amiskiwia sagittiformis
Rhynchonellata - Orthida - Bohemiellidae
Diraphora bellicostata
Kutorginata - Kutorginida - Nisusiidae
Nisusia burgessensis
Tergomya - Scenellidae
Scenella amii (Matthew 1902)
unclassified
Wiwaxia corrugata (Matthew 1899)
Odontogriphus omalus Conway-Morris 1976
Arthropoda informal indet. 1
Arthropoda informal indet. J
Arthropoda informal indet. F
Hanburia gloriosa
Bradoriida - Svealutidae
Liangshanella burgessensis
Liangshanella informal sp. A
unclassified
Plenocaris plena
Burgessia bella
Odaraiida - Pectocariidae
Odaraia alata
Nektaspidida - Naraoiidae
Naraoia compacta Walcott 1912
Naraoia compacta Walcott 1912
Agnostida - Peronopsidae
Ptychagnostus praecurrens (Westergård 1936)
unclassified
Molaria spinifera
Trilobita
Trilobita indet. Walch 1771
Trilobita - Ptychopariida - Ptychopariidae
Elrathina cordillerae (Rominger 1887)
Trilobita - Ptychopariida - Alokistocaridae
Ehmaniella burgessensis
unclassified
Emeraldella brocki Walcott 1912
Sidneyia inexpectans
Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
Radiodonta
Laggania cambrica
Megacheira - Leanchoiliida - Leanchoiliidae
Leanchoilia superlata Walcott 1912
Megacheira - Yohoiida - Yohoiidae
Yohoia tenuis
Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
Canadaspidida - Canadaspididae
Canadaspis perfecta (Walcott 1912)
Hymenocarina - Perspicarididae
Perspicaris recondita
Hallucigeniidae
Hallucigenia sp. Conway Morris 1977
Miskoidae
Louisella pedunculata Conway Morris 1977
Ottoidae
Ottoia prolifica Walcott 1911
Selkirkiimorpha - Selkirkiidae
Selkirkia informal sp. A
Selkirkia columbia Conway Morris 1977
unclassified
Cambrorhytium fragilis (Walcott 1911)
Cambrorhytium major (Walcott 1908)
Pikaidae
Oesia sp. Walcott 1911
Pikaia gracilens Walcott 1911
unclassified
Porifera informal indet. A
Demospongiae - Protomonaxonida - Halichondritidae
Halicondrites elissa
Demospongiae - Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920
Demospongiae - Protomonaxonida - Takakkawiidae
Takakkawia lineata Walcott 1920
Coeloscleritophora - Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920
unclassified
Bosworthia sp. Walcott 1919
Wiwaxidae
Pollingeria grandis Walcott 1911
Pollingeria grandis Walcott 1911
Marrellomorpha - Marrellida
Marrella splendens
see common names

Geography
Country:Canada State/province:British Columbia
Coordinates: 51.4° North, 116.5° West (view map)
Paleocoordinates:3.7° South, 80.0° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Cambrian
10 m.y. bin: Cambrian 3
Key time interval: Delamaran
Age range of interval: 511 - 506.5 m.y. ago
Stratigraphy
Geological group:Chancellor Formation:Burgess Shale Member:Walcott Quarry
Local section:Walcott Quarry Local bed:-235 cm
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: 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, 235 cm below "lower ginger layer, representing the base of the "Phyllopod Bed".
Lithology and environment
Primary lithology: lithified calcareous siltstone
Secondary lithology: lithified cherty/siliceous mudstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Cm-scale interbedded siliceous mudstone and calcisiltites. LITHIFICATION: Lithified.
Environment:deep-water indet.
Geology comments: ENVIRONMENT: Deep-water depositional environment.
Taphonomy
Modes of preservation:body,cast,mold/impression,adpression,soft parts
Size of fossils:macrofossils
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,field collection
Collection size:2247 specimens
Reason for describing collection:paleoecologic analysis
Museum repositories:ROM
Collection method comments: COLLECTOR: Royal Ontario Museum staff. REPOSTORY: Royal Ontario Museum (ROM).
Taxonomic list comments:COVERAGE: Exhaustive for all taxa. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature, and species-resolution identifications.
Metadata
Database number:84429
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:M. Clapham Research group:marine invertebrate
Created:2008-10-18 21:05:32 Last modified:2022-11-13 00:15:55
Access level:the public Released:2008-10-18 21:05:32
Creative Commons license:CC BY
Reference information

Primary reference:
28283. 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]