Walcott Quarry, Fossil Ridge, Greater Phyllopod Bed (Cambrian of Canada)

Where: British Columbia, Canada (51.4° N, 116.5° W: paleocoordinates 3.7° S, 80.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bathyuriscus-Elrathina trilobite zone, Walcott Quarry Shale Member (Burgess Shale Formation), Delamaran (513.0 - 505.0 Ma)

• Pagetia bootes subzone, 7.6 m thick "Greater Phyllopod Bed"

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. K. Rigby and D. Collins. 2004. Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia. Royal Ontario Museum Contributions in Science 1:1-155 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121962: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.12.2011, edited by Mihaela Krause, Lin Na and Martin Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Megacheira
  - Kootenichelidae
Worthenella cambria2 Walcott 1911
 Radiodonta -
Caryosyntrips serratus1 Daley and Budd 2010
 Radiodonta - Anomalocarididae
"Laggania nathorsti" = Peytoia1, Anomalocaris canadensis1
"Laggania nathorsti" = Peytoia1
 Radiodonta - Hurdiidae
Demospongea
 Protomonaxonida - Leptomitidae
Leptomitus lineatus Walcott 1920 demosponge
Leptomitus undulatus n. sp. Rigby and Collins 2004 demosponge
 Protomonaxonida - Takakkawiidae
Takakkawia lineata Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Hazelia conferta Walcott 1920 demosponge
Hazelia luteria Rigby 1986 demosponge
Hazelia palmata Walcott 1920 demosponge
Hazelia lobata n. sp. Rigby and Collins 2004 demosponge
Hazelia obscura Walcott 1920 demosponge
Hazelia dignata Walcott 1920 demosponge
Hazelia delicatula Walcott 1920 demosponge
Hazelia crateria Rigby 1986 demosponge
Hazelia nodulifera Walcott 1920 demosponge
Crumillospongia frondosa Walcott 1919 demosponge
Crumillospongia biporosa Rigby 1986 demosponge
? Falospongia sp. Rigby 1986 demosponge
Falospongia falata Rigby 1986 demosponge
 Protomonaxonida - Piraniidae
Pirania muricata Walcott 1920 demosponge
Moleculospina mammillata Walcott 1920 demosponge
 Protomonaxonida - Halichondritidae
Halichondrites elissa Walcott 1920 demosponge
 Protomonaxonida - Wapkiidae
Wapkia elongata Rigby and Collins 2004 demosponge
Wapkia grandis Walcott 1920 demosponge
 Protomonaxonida - Hamptoniidae
Hamptonia bowerbanki Walcott 1920 demosponge
 Protomonaxonida - Choiidae
Choia carteri Walcott 1920 demosponge
Choia ridleyi Walcott 1920 demosponge
 Lithistida - Vauxiidae
Vauxia venata Walcott 1920 demosponge
Vauxia densa Walcott 1920 demosponge
Vauxia gracilenta Walcott 1920 demosponge
Vauxia irregulara n. sp. Rigby and Collins 2004 demosponge
Vauxia bellula Walcott 1920 demosponge
 Lithistida - Anthaspidellidae
Capsospongia undulata Walcott 1920 demosponge
Hexactinellida
 Reticulosa - Protospongiidae
Diagoniella hindei Walcott 1920 glass sponge
Diagoniella cyathiformis Dawson and Hinde 1889 glass sponge
Protospongia hicksi Hinde 1887 glass sponge
Heteractinida
 Octactinellida - Eiffeliidae
Petaloptyon danei Raymond 1931
Eiffelia globosa Walcott 1920
Nectocaris pteryx
  - Nectocarididae
Nectocaris pteryx3 Conway Morris 1976