14s. Trilobite Bed, Mount Stephen (Cambrian of Canada)

Where: British Columbia, Canada (51.4° N, 116.4° W: paleocoordinates 3.7° S, 80.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bathyuriscus-Elrathina trilobite zone, Campsite Cliff Shale Member (Burgess Shale Formation), Delamaran (511.2 - 506.5 Ma)

• Pagetia bootes subzone, trilobite 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 121957: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.12.2011, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Hyolithelminthida - Hyolithellidae
Hyolithellus flagellum
Kutorginata
 Kutorginida - Nisusiidae
Nisusia alberta n. sp.
Nisusia alberta n. sp. Walcott 1889
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia hicksi, Diagoniella cyathiformis
Protospongia hicksi Hinde 1887 glass sponge
Diagoniella cyathiformis Dawson and Hinde 1889 glass sponge
 Reticulosa - Hintzespongiidae
Stephenospongia magnipora
Stephenospongia magnipora Rigby 1986 glass sponge
Heteractinida
 Octactinellida - Eiffeliidae
Petaloptyon danei, Eiffelia globosa, Eiffelospongia hirsuta n. gen. n. sp.
Petaloptyon danei Raymond 1931
Eiffelia globosa Walcott 1920
Eiffelospongia hirsuta n. gen. n. sp. Rigby and Collins 2004
Demospongiae
 Protomonaxonida - Piraniidae
Pirania muricata
Pirania muricata Walcott 1920 demosponge
 Protomonaxonida - Halichondritidae
? Halichondrites sp.
? Halichondrites sp. Walcott 1920 demosponge
 Protomonaxonida - Hazeliidae
Hazelia delicatula, Hazelia palmata, Hazelia conferta, Hazelia grandis
Hazelia delicatula Walcott 1920 demosponge
Hazelia palmata Walcott 1920 demosponge
Hazelia conferta Walcott 1920 demosponge
Hazelia grandis Walcott 1920 demosponge
 Protomonaxonida - Ulospongiellidae
Ulospongiella ancyla n. gen. n. sp., Hapalospongia flexuosa n. gen. n. sp.
Ulospongiella ancyla n. gen. n. sp. Rigby and Collins 2004 demosponge
Hapalospongia flexuosa n. gen. n. sp. Rigby and Collins 2004 demosponge
 Protomonaxonida - Hamptoniidae
Hamptoniella hirsuta n. sp., Hamptoniella foliata n. gen. n. sp., Hamptonia bowerbanki
Hamptoniella hirsuta n. sp. Rigby and Collins 2004 demosponge
Hamptoniella foliata n. gen. n. sp. Rigby and Collins 2004 demosponge
Hamptonia bowerbanki Walcott 1920 demosponge
 Protomonaxonida - Choiidae
Choia carteri
Choia carteri Walcott 1920 demosponge