BA -445 [Great Phyllopod Bed, Walcott Quarry Mbr, Burgess Shale Fm]: Delamaran, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Strephanoscolex argutus
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Tubullela sp.
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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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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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Rhynchonellata
- Orthida
- Bohemiellidae
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Diraphora bellicostata
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unclassified
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Wiwaxia corrugata
(Matthew 1899)
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| original and current combination Orthotheca corrugata | |||||||
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Tergomya
- Scenellidae
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Scenella amii
(Matthew 1902)
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Hymenocarina
- Perspicarididae
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Perspicaris recondita
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Canadaspidida
- Canadaspididae
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Canadaspis perfecta
(Walcott 1912)
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Waptiida
- Waptiidae
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Waptia fieldensis
Walcott 1912
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Megacheira
- Yohoiida
- Yohoiidae
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Yohoia tenuis
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unclassified
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Sidneyia inexpectans
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Agnostida
- Peronopsidae
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Ptychagnostus praecurrens
(Westergård 1936)
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| recombined as Pentagnostus praecurrens | |||||||
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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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Bradoriida
- Svealutidae
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Liangshanella burgessensis
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unclassified
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Burgessia bella
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Selkirkiidae
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Selkirkia columbia
Conway Morris 1977
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia sp.
Walcott 1920
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Demospongiae
- Protomonaxonida
- Hamptoniidae
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Hamptonia bowerbanki
Walcott 1920
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Demospongiae
- Protomonaxonida
- Takakkawiidae
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Takakkawia lineata
Walcott 1920
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unclassified
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Bosworthia sp.
Walcott 1919
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Coeloscleritophora
- Chancelloriida
- Chancelloriidae
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Chancelloria eros
Walcott 1920
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unclassified
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Morania sp.
Walcott 1919
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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 |
| 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: | -445 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, 445 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: | 1563 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: | 84415 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2008-10-18 18:34:39 | Last modified: | 2022-11-13 00:12:45 |
| Access level: | the public | Released: | 2008-10-18 18:34:39 |
| 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] |