Where: British Columbia, Canada (50.6° N, 115.6° W)
• Paleocoordinates: 37.1° N, 119.2° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Bolaspidella trilobite zone, Duchesnay Formation, St Davids (509.0 - 497.0 Ma)
• informal Duchesnay unit
• group of beds-level stratigraphic resolution
Environment/lithology: deep-water; lithified shale
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: K. J. Johnston, P. A. Johnston, and W. G. Powell. 2009. A new, Middle Cambrian, Burgess Shale-type biota, Bolaspidella zone, Chancellor Basin, southeastern British Columbia. Palaeogeography, Palaeoclimatology, Palaeoecology 277:106-126 [W. Kiessling/U. Merkel/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 122072: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.12.2011
Creative Commons license: CC0 (CC0)
Taxonomic list
| unclassified | |
|
Arthropoda "indet. A" Latreille 1829
Arthropoda "indet. B" Latreille 1829 | |
| Habelia | |
| Artiopoda | |
"Lejopyge calva" = Lejopyge laevigatus, Ptychagnostus sp.
"Lejopyge calva" = Lejopyge laevigatus Dalman 1828
Ptychagnostus sp. Jaekel 1909 | |
|
Hypagnostus parvifrons Linnarsson 1869 | |
|
Naraoia aff. compacta Walcott 1912 | |
| Trilobita | |
Bathyuriscus cf. elegans, Bathyuriscus fimbriatus, Athabaskiella sp., Hemirhodon amplipyge, Hemirhodon convexifrons
Bathyuriscus cf. elegans trilobite
Bathyuriscus fimbriatus Robison 1964 trilobite
Athabaskiella sp. Kobayashi 1942 trilobite
Hemirhodon amplipyge trilobite
Hemirhodon convexifrons trilobite | |
|
? Corynexochus sp. Angelin 1854 trilobite | |
|
Olenoides decorus trilobite | |
|
Marjumia typa Walcott 1908 trilobite | |
|
Ptychopariida indet. Swinnerton 1915 trilobite | |
|
Brachyaspidion sp. Miller 1936 trilobite
Brachyaspidion cf. sulcata trilobite | |
|
Elrathia alapyge trilobite | |
|
Modocia sp. Walcott 1924 trilobite
Modocia brevispina trilobite | |
| Crustacea | |
|
? Canadaspis sp. Novozhilov in Orlov 1960 | |
|
? Ottoia sp. Walcott 1911 | |
| Polychaeta | |
|
Polychaeta indet. Grube 1850 | |
| Lingulata | |
|
Acrotretida indet. Kuhn 1949 | |
|
Lingulella sp. Salter 1866 | |
| Hyolitha | |
|
Haplophrentis sp. Babcock and Robison 1988 | |
| Graptolithina | |
|
Graptolithina indet. graptolite | |
|
? Eldonia sp. Walcott 1911 | |
| Hexactinellida | |
|
Protospongia sp. Salter 1864 glass sponge | |
| Demospongiae | |
|
Hamptonia bowerbanki Walcott 1920 demosponge | |
|
Leptomitus lineatus Walcott 1920 demosponge | |
|
Crumillospongia frondosa Walcott 1919 demosponge | |
|
Vauxia sp. Walcott 1920 demosponge | |
| Tubulella | |
| Morania fragmenta | |
|
Morania fragmenta Walcott 1919 | |
| Marpolia spissa | |
|
Marpolia spissa Walcott 1919 | |
| Vendotaenia | |
|
Vendotaenia sp. Gnilovskaya 1971 | |
| Bryopsidophyceae | |
|
Margaretia sp. Walcott 1931 | |
|
Planolites sp. Nicholson 1873 | |