Where: British Columbia, Canada (51.4° N, 116.3° W: paleocoordinates 3.8° S, 80.0° W)

• coordinate based on nearby landmark

When: Albertella trilobite zone, Ptarmigan Formation, Delamaran (511.2 - 506.5 Ma)

Environment/lithology: marine; lithified mudstone

Size class: macrofossils

Preservation: mold/impression, recrystallized, replaced with pyrite

Collected by C. D. Walcott; reposited in the USNM

Primary reference: J. Sprinkle. 1973. Morphology and evolution of blastozoan echinoderms. Harvard University Museum of Comparative Zoology, Special Publication 1-283 [G. Webster/G. Webster/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90661: authorized by Alex Lin, entered by Alex Lin on 12.08.2009

Creative Commons license: CC BY (attribution)