Monarch Assiniboine, Monarch Cirque South (Cambrian of Canada)

Where: British Columbia, Canada (51.0° N, 115.8° W: paleocoordinates 3.7° S, 79.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Burgess Shale Formation, St Davids (509.0 - 497.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep-water; lithified shale

• monotonous series of argillites with occasional thin interbeds of skeletal grainstone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: P. A. Johnston, K. J. Johnston, C. J. Collom, W. G. Powell, and R. J. Pollock. 2009. Palaeontology and depositional environments of ancient brine seeps in the Middle Cambrian Burgess Shale at The Monarch, British Columbia, Canada. Palaeogeography, Palaeoclimatology, Palaeoecology 277:86-105 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122094: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bryopsidophyceae
 Caulerpales - Caulerpaceae
Margaretia dorus Walcott 1931
Vendotaenia
  -
? Vendotaenia sp. Gnilovskaya 1971
 Hyolithelminthida -
Hyolitha
 Hyolithida - Hyolithidae
Paterinata
 Paterinida - Paterinidae
Lingulata
 Lingulida - Obolidae
 Acrotretida -
Rhynchonellata
 Orthida - Bohemiellidae
Kutorginata
 Kutorginida - Nisusiidae
 Sachitida -
Wiwaxia sp. Walcott 1911
Helcionelloida
 Helcionellida - Coreospiridae
Latouchella sp. Cobbold 1921
Tergomya
 Scenelloidea - Scenellidae
Scenella amii Matthew 1902
Crustacea
 Canadaspidida - Canadaspididae
Canadaspis sp. Novozhilov in Orlov 1960
 Radiodonta - Hurdiidae
Hurdia sp. Walcott 1912
Trilobita
 Corynexochida - Dorypygidae
Olenoides serratus Rominger 1887 trilobite
 Corynexochida - Zacanthoididae
 Ptychopariida - Ptychopariidae
Elrathina cordillerae Rominger 1887 trilobite
 Ptychopariida - Alokistocaridae
Ehmaniella waptaensis Rasetti 1951 trilobite
"Chancia palliseri" = Chanciaopsis palliseri Walcott 1908 trilobite
Artiopoda
 Nektaspidida - Naraoiidae
Naraoia compacta Walcott 1912
 Vicissicaudata -
 Agnostida - Peronopsidae
"Ptychagnostus praecurrens" = Pentagnostus praecurrens
"Ptychagnostus praecurrens" = Pentagnostus praecurrens WestergÄrd 1936
 Agnostida - Eodiscidae
Pagetia bootes Walcott 1916
Habelia
  -
 Archaeopriapulida - Ottoidae
Ottoia sp. Walcott 1911
Ottoia prolifica Walcott 1911
Demospongiae
 Protomonaxonida - Hazeliidae
Hazelia delicatula Walcott 1920 demosponge
 Protomonaxonida - Takakkawiidae
Takakkawia sp. Walcott 1920 demosponge
 Protomonaxonida - Choiidae
Choia carteri Walcott 1920 demosponge
 Protomonaxonida - Piraniidae
Pirania muricata Walcott 1920 demosponge
 Protomonaxonida - Leptomitidae
Leptomitus lineatus Walcott 1920 demosponge
  - Vauxiidae
Vauxia gracilenta Walcott 1920 demosponge
Vauxia densa Walcott 1920 demosponge
Vauxia bellula Walcott 1920 demosponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920