BA -455 [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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Morania sp.
Walcott 1919
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Scleritomorph informal indet. A
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Strephanoscolex argutus
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Scleritomorph informal indet. B
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Pikaidae
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Oesia sp.
Walcott 1911
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia sp.
Walcott 1920
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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 | |||||||
Rhynchonellata
- Orthida
- Bohemiellidae
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Diraphora bellicostata
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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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Ottoidae
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Ottoia prolifica
Walcott 1911
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Selkirkiidae
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Selkirkia columbia
Conway Morris 1977
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unclassified
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Molaria spinifera
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Bradoriida
- Svealutidae
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Liangshanella burgessensis
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unclassified
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Burgessia bella
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Megacheira
- Yohoiida
- Yohoiidae
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Yohoia tenuis
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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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Nektaspidida
- Naraoiidae
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Naraoia compacta
Walcott 1912
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Trilobita
- Ptychopariida
- Alokistocaridae
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Ehmaniella burgessensis
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Trilobita
- Ptychopariida
- Ptychopariidae
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Elrathina cordillerae
(Rominger 1887)
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unclassified
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Emeraldella brocki
Walcott 1912
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Sidneyia inexpectans
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Marrellomorpha
- Marrellida
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Marrella splendens
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Wiwaxidae
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Pollingeria grandis
Walcott 1911
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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 | Epoch: | Middle Cambrian |
10 m.y. bin: | Cambrian 3 | ||
Key time interval: | Delamaran | ||
Age range of interval: | 513.00000 - 505.00000 m.y. ago |
Stratigraphy
Geological group: | Chancellor | Formation: | Burgess Shale | Member: | Walcott Quarry |
Local section: | Walcott Quarry | Local bed: | -455 cm | ||
Local order: | bottom to top | ||||
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, 455 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: | 404 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: | 84414 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2008-10-18 18:33:32 | Last modified: | 2022-11-13 00:12:34 |
Access level: | the public | Released: | 2008-10-18 18:33:32 |
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] |