BA -265 [Great Phyllopod Bed, Walcott Quarry Mbr, Burgess Shale Fm]: Delamaran, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Ioxys acutangulus
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Sarotroceras oblita
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Tubullela sp.
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Amiskiwia sagittiformis
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Morania sp.
Walcott 1919
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Pikaidae
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Oesia sp.
Walcott 1911
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unclassified
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Cambrorhytium major
(Walcott 1908)
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recombined as Selkirkia major | |||||||
Cambrorhytium fragilis
(Walcott 1911)
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original and current combination Selkirkia fragilis | |||||||
Coeloscleritophora
- Chancelloriida
- Chancelloriidae
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Chancelloria eros
Walcott 1920
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Demospongiae
- Protomonaxonida
- Takakkawiidae
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Takakkawia lineata
Walcott 1920
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia sp.
Walcott 1920
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Eldoniidae
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Eldonia ludwigi
Walcott 1911
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Hyolithida
- Hyolithidae
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Haplophrentis carinatus
(Matthew 1899)
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Rhynchonellata
- Orthida
- Bohemiellidae
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Diraphora bellicostata
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Kutorginata
- Kutorginida
- Nisusiidae
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Nisusia burgessensis
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Lingulata
- Acrotretida
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Acrothyra gregaria
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Lingulata
- Lingulida
- Obolidae
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Lingulella waptaensis
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Paterinata
- Paterinida
- Paterinidae
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Micromitra burgessensis
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unclassified
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Burgessochaeta setigera
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Odontogriphus omalus
Conway-Morris 1976
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Tergomya
- Scenellidae
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Scenella amii
(Matthew 1902)
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unclassified
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Wiwaxia corrugata
(Matthew 1899)
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original and current combination Orthotheca corrugata | |||||||
Bradoriida
- Svealutidae
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Liangshanella burgessensis
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Liangshanella informal sp. A
Huo 1956
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unclassified
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Plenocaris plena
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Radiodonta
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Laggania cambrica
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Radiodonta
- Hurdiidae
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Hurdia sp.
Walcott 1912
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Hymenocarina
- Perspicarididae
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Perspicaris recondita
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Waptiida
- Waptiidae
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Waptia fieldensis
Walcott 1912
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Canadaspidida
- Canadaspididae
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Canadaspis perfecta
(Walcott 1912)
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Megacheira
- Yohoiida
- Yohoiidae
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Yohoia tenuis
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Megacheira
- Leanchoiliida
- Leanchoiliidae
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Leanchoilia superlata
Walcott 1912
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unclassified
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Sidneyia inexpectans
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Emeraldella brocki
Walcott 1912
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Trilobita
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Trilobita indet.
Walch 1771
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Trilobita
- Ptychopariida
- Ptychopariidae
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Elrathina cordillerae
(Rominger 1887)
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Trilobita
- Ptychopariida
- Alokistocaridae
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Ehmaniella burgessensis
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Nektaspidida
- Naraoiidae
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Naraoia compacta
Walcott 1912
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Agnostida
- Peronopsidae
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Ptychagnostus praecurrens
(WestergÄrd 1936)
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recombined as Pentagnostus praecurrens | |||||||
unclassified
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Molaria spinifera
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Burgessia bella
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Hallucigenia sp.
Conway Morris 1977
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Selkirkiidae
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Selkirkia informal sp. A
Walcott 1911
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Selkirkia columbia
Conway Morris 1977
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Ottoidae
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Ottoia prolifica
Walcott 1911
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unclassified
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Yuknessia simplex
Walcott 1919
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Algae
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Dictyophycus gracilis
Ruedemann 1931
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Wiwaxidae
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Pollingeria grandis
Walcott 1911
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Marrellomorpha
- Marrellida
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Marrella splendens
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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: | 511.00000 - 506.50000 m.y. ago |
Stratigraphy
Geological group: | Chancellor | Formation: | Burgess Shale | Member: | Walcott Quarry |
Local section: | Walcott Quarry | Local bed: | -265 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 10 mm thick bed, 265 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: | 1842 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: | 84433 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2008-10-18 21:08:55 | Last modified: | 2022-11-13 00:16:32 |
Access level: | the public | Released: | 2008-10-18 21:08:55 |
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] |