Where: Millard County, Utah (39.4° N, 113.3° W: paleocoordinates 4.3° S, 91.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Bolaspidella trilobite zone, Wheeler Shale Formation, St Davids (509.0 - 497.0 Ma)
• middle part of the formation, "Elrathia kingii beds", Bathyuriscus fimbriatus subzone
• bed-level stratigraphic resolution
Environment/lithology: offshore; lithified, calcareous shale
Size class: macrofossils
Preservation: mold/impression
Primary reference: J. K. Rigby. 1978. Porifera of the Middle Cambrian Wheeler Shale, from the Wheeler Amphitheater, House Range, in western Utah. Journal of Paleontology 52(6):1325-1345 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 121233: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
Choia utahensis Walcott 1920 demosponge
Choia carteri Walcott 1920 demosponge | |
Hexactinellida | |
Diagoniella robisoni n. sp. Rigby 1978 glass sponge
Diagoniella cyathiformis Dawson and Hinde 1889 glass sponge | |
Coeloscleritophora | |
Chancelloria sp. Walcott 1920
Chancelloria pentacta n. sp. Rigby 1978
Chancelloria eros Walcott 1920 |