Where: British Columbia, Canada (51.4° N, 116.5° W: paleocoordinates 3.7° S, 80.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Walcott Quarry Member (Burgess Shale Formation), Delamaran (511.2 - 506.5 Ma)
• 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 50 mm thick bed, 320 cm below "lower ginger layer, representing the base of the "Phyllopod Bed".
• bed-level stratigraphic resolution
Environment/lithology: deep-water; lithified, calcareous siltstone and lithified, cherty/siliceous mudstone
Size class: macrofossils
Preservation: cast, mold/impression, adpression, soft parts
Reposited in the ROM
Collection methods: quarrying,
• COLLECTOR: Royal Ontario Museum staff. REPOSTORY: Royal Ontario Museum (ROM).
Primary reference: 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]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 84435: authorized by Austin Hendy, entered by Austin Hendy on 18.10.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Hyolitha | |
Haplophrentis carinatus Matthew 1899 | |
Lingulata | |
Paterinata | |
Kutorginata | |
Rhynchonellata | |
Burgessochaeta | |
Wiwaxia corrugata Matthew 1899 | |
Tergomya | |
Scenella amii Matthew 1902 | |
Odontogriphus | |
Odontogriphus omalus Conway-Morris 1976 | |
Molaria | |
Deuteropoda | |
Crustacea | |
Canadaspis perfecta Walcott 1912 | |
Waptia fieldensis Walcott 1912 | |
Megacheira | |
Hurdia sp. Walcott 1912 | |
Artiopoda | |
Emeraldella brocki Walcott 1912 | |
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens WestergÄrd 1936 | |
Naraoia compacta Walcott 1912 | |
Trilobita | |
Trilobita indet. Walch 1771 trilobite | |
Elrathia permulta Walcott 1918 trilobite
Ehmaniella burgessensis trilobite | |
"Odaraia alata" = Pectocaris
"Odaraia alata" = Pectocaris | |
Burgessia | |
Ottoia prolifica Walcott 1911 | |
Selkirkia "sp. A" Walcott 1911
Selkirkia columbia Conway Morris 1977 | |
Louisella pedunculata Conway Morris 1977 | |
unclassified | |
Porifera "indet. D" Grant 1836 | |
Heteractinida | |
Petaloptyon danei Raymond 1931 | |
Demospongiae | |
Hazelia sp. Walcott 1920 demosponge | |
Takakkawia lineata Walcott 1920 demosponge | |
Oesia sp. Walcott 1911
Pikaia gracilens Walcott 1911 | |
Coeloscleritophora | |
Chancelloria eros Walcott 1920 | |
Marpolia spissa | |
Marpolia spissa Walcott 1919 | |
Morania | |
Morania sp. Walcott 1919 | |
Algae | |
| |
Marrellomorpha | |
Pollingeria grandis | |
Pollingeria grandis Walcott 1911 |