Where: Alberta, Canada (52.2° N, 117.3° W: paleocoordinates 2.8° S, 78.4° W)
• coordinate stated in text
When: Bathyuriscus-Elrathina trilobite zone, Stephen Formation, Marjumian (504.5 - 497.0 Ma)
• Actually equivalent to the Stephen formation rather than that formation
Environment/lithology: marine; lithified, yellow shale and gray limestone
Size class: macrofossils
Preservation: mold/impression, recrystallized, original calcite, replaced with calcite
Reposited in the USNM
Collection methods: quarrying, surface (float), chemical, mechanical
Primary reference: R. A. Robison. 1965. Middle Cambrian Eocrinoids from Western North America. Journal of Paleontology 39(3):355-364 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 208938: authorized by Pete Wagner, entered by Pete Wagner on 16.04.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Eocrinoidea | |
Gogia prolifica Walcott 1917 |