BA -250 [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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Ioxys acutangulus
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Tubullela sp.
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Pterobranchia
- Dendroidea
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Chaunograptus scandens
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Eocrinoidea
- Gogiida
- Eocrinidae
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Gogia sp.
Walcott 1917
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Lingulata
- Acrotretida
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Acrothyra gregaria
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Paterinata
- Paterinida
- Paterinidae
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Paterina zenobia
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Micromitra burgessensis
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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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Hyolithida
- Hyolithidae
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Haplophrentis carinatus
(Matthew 1899)
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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 | ||||||||||
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Ottoidae
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Ottoia prolifica
Walcott 1911
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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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unclassified
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Plenocaris plena
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Odaraiida
- Pectocariidae
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Odaraia alata
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| synonym of Pectocaris | ||||||||||
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Bradoriida
- Svealutidae
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Liangshanella burgessensis
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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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Megacheira
- Leanchoiliida
- Leanchoiliidae
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Alalcomenaeus cambricus
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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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Nektaspidida
- Naraoiidae
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Naraoia compacta
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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Elrathia permulta
(Walcott 1918)
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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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unclassified
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Sidneyia inexpectans
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Burgessia bella
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Molaria spinifera
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Metazoa informal indet. I
Haeckel 1874
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| synonym of Animalia | ||||||||||
| Listed as "indet. I" | ||||||||||
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Cambrorhytium major
(Walcott 1908)
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| recombined as Selkirkia major | ||||||||||
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Cambrorhytium fragilis
(Walcott 1911)
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| original and current combination Selkirkia fragilis | ||||||||||
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Demospongiae
- Anthaspidellidae
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Capsospongia undulata
(Walcott 1920)
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Demospongiae
- Protomonaxonida
- Takakkawiidae
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Takakkawia lineata
Walcott 1920
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Demospongiae
- Protomonaxonida
- Hamptoniidae
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Hamptonia bowerbanki
Walcott 1920
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia sp.
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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Algae
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Dictyophycus gracilis
Ruedemann 1931
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unclassified
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Yuknessia simplex
Walcott 1919
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Florideophyceae
- Ceramiales
- Rhodomelaceae
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Wahpia sp.
Walcott 1919
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unclassified
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Waputikia ramosa
Walcott 1919
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Morania sp.
Walcott 1919
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Marpolia spissa
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: | -250 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 35 mm thick bed, 250 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: | 2478 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: | 84431 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2008-10-18 21:06:52 | Last modified: | 2022-11-13 00:16:09 |
| Access level: | the public | Released: | 2008-10-18 21:06:52 |
| 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] |