BA +0 [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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Sarotrocercus oblita
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2 specimens | |||||||||
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Scleritomorph informal indet. A
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1 specimen | |||||||||
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Algae
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Algae informal indet. D
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2 specimens | |||||||||
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Algae informal indet. F
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1 specimen | |||||||||
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Dictyophycus gracilis
Ruedemann 1931
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3 specimens | |||||||||
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unclassified
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Yuknessia simplex
Walcott 1919
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2 specimens | |||||||||
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Metazoa indet.
Haeckel 1874
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1 specimen | |||||||||
| synonym of Animalia | ||||||||||
| Listed as "Worm-like D" | ||||||||||
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Ctenorhabdotus sp.
Conway Morris and Collins 1996
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2 specimens | |||||||||
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Demospongiae
- Protomonaxonida
- Hazeliidae
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Hazelia sp.
Walcott 1920
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10 specimens | |||||||||
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Demospongiae
- Protomonaxonida
- Takakkawiidae
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Takakkawia lineata
Walcott 1920
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1 specimen | |||||||||
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Pikaidae
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Oesia disjuncta
Walcott 1911
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20 specimens | |||||||||
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Pikaia gracilens
Walcott 1911
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3 specimens | |||||||||
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unclassified
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Bosworthia sp.
Walcott 1919
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1 specimen | |||||||||
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Coeloscleritophora
- Chancelloriida
- Chancelloriidae
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Chancelloria eros
Walcott 1920
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1 specimen | |||||||||
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Eldoniidae
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Eldonia ludwigi
Walcott 1911
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25 specimens | |||||||||
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Eocrinoidea
- Gogiida
- Lyracystidae
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Lyracystis radiata
Sprinkle and Collins 2006
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Sprinkle and Collins 2006 | 6 specimens | ||||||||
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unclassified
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Wiwaxia corrugata
(Matthew 1899)
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1 specimen | |||||||||
| original and current combination Orthotheca corrugata | ||||||||||
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Tergomya
- Scenellidae
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Scenella amii
(Matthew 1902)
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52 specimens | |||||||||
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Hyolithida
- Hyolithidae
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Haplophrentis carinatus
(Matthew 1899)
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2 specimens | |||||||||
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unclassified
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Acanthotretella spinosa
Holmer and Caron 2006
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Holmer and Caron 2006 | 1 specimen | ||||||||
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Rhynchonellata
- Orthida
- Bohemiellidae
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Diraphora bellicostata
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3 specimens | |||||||||
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Paterinata
- Paterinida
- Paterinidae
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Paterina zenobia
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1 specimen | |||||||||
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Lingulata
- Lingulida
- Obolidae
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Lingulella informal sp. A
Salter 1866
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1 specimen | |||||||||
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Lingulella waptaensis
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19 specimens | |||||||||
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Lingulata
- Acrotretida
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Acrothyra gregaria
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5 specimens | |||||||||
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unclassified
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Burgessochaeta setigera
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14 specimens | |||||||||
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Peronochaeta dubia
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16 specimens | |||||||||
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Miskoidae
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Louisella pedunculata
Conway Morris 1977
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8 specimens | |||||||||
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Selkirkiidae
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Selkirkia informal sp. A
Walcott 1911
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21 specimens | |||||||||
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Selkirkia columbia
Conway Morris 1977
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8 specimens | |||||||||
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Fieldiidae
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Fieldia lanceolata
Walcott 1912
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1 specimen | |||||||||
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Ottoidae
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Ottoia prolifica
Walcott 1911
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6 specimens | |||||||||
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unclassified
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Arthropoda informal indet. I
Latreille 1829
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1 specimen | |||||||||
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Bradoriida
- Svealutidae
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Liangshanella burgessensis
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53 specimens | |||||||||
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Odaraiida
- Pectocariidae
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Odaraia alata
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1 specimen | |||||||||
| synonym of Pectocaris | ||||||||||
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unclassified
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Burgessia bella
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132 specimens | |||||||||
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Plenocaris plena
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25 specimens | |||||||||
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Molaria spinifera
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8 specimens | |||||||||
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Emeraldella brocki
Walcott 1912
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8 specimens | |||||||||
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Agnostida
- Peronopsidae
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Ptychagnostus praecurrens
(Westergård 1936)
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24 specimens | |||||||||
| recombined as Pentagnostus praecurrens | ||||||||||
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Trilobita
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Trilobita indet.
Walch 1771
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25 specimens | |||||||||
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Trilobita
- Ptychopariida
- Alokistocaridae
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Ehmaniella burgessensis
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11 specimens | |||||||||
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Nektaspidida
- Naraoiidae
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Naraoia compacta
Walcott 1912
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3 specimens | |||||||||
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Radiodonta
- Hurdiidae
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Hurdia sp.
Walcott 1912
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1 specimen | |||||||||
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Radiodonta
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Laggania cambrica
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1 specimen | |||||||||
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Hymenocarina
- Perspicarididae
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Perspicaris dictynna
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5 specimens | |||||||||
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Waptiida
- Waptiidae
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Waptia fieldensis
Walcott 1912
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28 specimens | |||||||||
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Canadaspidida
- Canadaspididae
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Canadaspis perfecta
(Walcott 1912)
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2 specimens | |||||||||
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Isoxyida
- Isoxyidae
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Isoxys acutangulus
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3 specimens | |||||||||
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Megacheira
- Leanchoiliida
- Leanchoiliidae
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Leanchoilia superlata
Walcott 1912
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1 specimen | |||||||||
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Alalcomenaeus cambricus
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1 specimen | |||||||||
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Megacheira
- Yohoiida
- Yohoiidae
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Yohoia tenuis
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46 specimens | |||||||||
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Opabiniidae
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Opabinia regalis
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2 specimens | |||||||||
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unclassified
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Marpolia spissa
Walcott 1919
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2 specimens | |||||||||
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Morania sp.
Walcott 1919
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224 specimens | |||||||||
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Canadidae
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Canadia setigera
Walcott 1911
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12 specimens | |||||||||
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Marrellomorpha
- Marrellida
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Marrella splendens
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571 specimens | |||||||||
| 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: | 0 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 75 mm thick bed, 0 mm above "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: | 381 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: | 84422 | ||
| Authorizer: | A. Hendy, A. Lin | Enterer: | A. Hendy, A. Lin |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2008-10-18 20:58:34 | Last modified: | 2022-11-13 00:14:14 |
| Access level: | the public | Released: | 2008-10-18 20:58:34 |
| 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] |
Secondary references:
| 29717 | fossil record | L. E. Holmer and J.-B. Caron. 2006. A spinose stem group brachiopod with pedicle from the Middle Cambrian Burgess Shale. Acta Zoologica 87:273-290 [A. Lin/A. Lin] |
| 29721 | J. Sprinkle and D. Collins. 2006. New eocrinoids from the Burgess Shale, southern British Columbia, Canada, and the Spence Shale, northern Utah, USA. Canadian Journal of Earth Sciences 43:303-322 [A. Lin/A. Lin/A. Lin] |