BA +120 [Great Phyllopod Bed, Walcott Quarry Mbr, Burgess Shale Fm]: Delamaran, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Morania sp. Walcott 1919
48 specimens
Marpolia spissa Walcott 1919
2 specimens
Hallucigenia sparsa Conway Morris 1977
6 specimens
Burgessia bella
4 specimens
Habelia optata
3 specimens
Bradoriida - Svealutidae
Liangshanella burgessensis
23 specimens
Liangshanella informal sp. A Huo 1956
1 specimen
Hymenocarina - Perspicarididae
Perspicaris dictynna
8 specimens
Canadaspidida - Canadaspididae
Canadaspis perfecta (Walcott 1912)
2 specimens
Waptiida - Waptiidae
Waptia fieldensis Walcott 1912
3 specimens
Megacheira - Yohoiida - Yohoiidae
Yohoia tenuis
4 specimens
Megacheira - Leanchoiliida - Leanchoiliidae
Leanchoilia superlata Walcott 1912
1 specimen
Isoxyida - Isoxyidae
Isoxys acutangulus
2 specimens
Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
3 specimens
Radiodonta
Laggania cambrica
1 specimen
Agnostida - Eodiscidae
Pagetia bootes Walcott 1916
4 specimens
Agnostida - Peronopsidae
Ptychagnostus praecurrens (Westergård 1936)
10 specimens
recombined as Pentagnostus praecurrens
Trilobita
Trilobita indet. Walch 1771
39 specimens
Trilobita - Ptychopariida - Ptychopariidae
Elrathina cordillerae (Rominger 1887)
4 specimens
Trilobita - Ptychopariida - Alokistocaridae
Ehmaniella burgessensis
21 specimens
unclassified
Sidneyia inexpectans
1 specimen
Selkirkiidae
Selkirkia informal sp. A Walcott 1911
16 specimens
Selkirkia columbia Conway Morris 1977
23 specimens
Ottoidae
Ottoia prolifica Walcott 1911
11 specimens
unclassified
Odontogriphus omalus Conway-Morris 1976
1 specimen
Wiwaxia corrugata (Matthew 1899)
1 specimen
original and current combination Orthotheca corrugata
Tergomya - Scenellidae
Scenella amii (Matthew 1902)
13 specimens
Rhynchonellata - Orthida - Bohemiellidae
Diraphora bellicostata
2 specimens
Lingulata - Lingulida - Obolidae
Lingulella informal sp. A Salter 1866
1 specimen
Lingulella waptaensis
10 specimens
Lingulata - Acrotretida
Acrothyra gregaria
7 specimens
Paterinata - Paterinida - Paterinidae
Paterina zenobia
1 specimen
unclassified
Acanthotretella spinosa Holmer and Caron 2006
Holmer and Caron 2006 1 specimen
Hyolithida - Hyolithidae
Haplophrentis carinatus (Matthew 1899)
8 specimens
Eldoniidae
Eldonia ludwigi Walcott 1911
89 specimens
unclassified
Cambrorhytium fragilis (Walcott 1911)
1 specimen
original and current combination Selkirkia fragilis
Pikaidae
Oesia disjuncta Walcott 1911
8 specimens
Demospongiae - Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920
9 specimens
Demospongiae - Protomonaxonida - Hamptoniidae
Hamptonia bowerbanki Walcott 1920
1 specimen
Florideophyceae - Ceramiales - Rhodomelaceae
Wahpia sp. Walcott 1919
1 specimen
unclassified
Waputikia ramosa Walcott 1919
1 specimen
Algae
Algae informal indet. D
1 specimen
Algae informal indet. F
2 specimens
Marrellomorpha - Marrellida
Marrella splendens
119 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:120 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 30 mm thick bed, 120 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:516 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:84421
Authorizer:A. Hendy, A. Lin Enterer:A. Hendy, A. Lin
Modifier:M. Clapham Research group:marine invertebrate
Created:2008-10-18 20:56:19 Last modified:2022-11-13 00:14:03
Access level:the public Released:2008-10-18 20:56:19
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:

29717fossil 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]