Radiolaria - Spumellaria - Xiphostylidae

Full reference: E. S. Carter, P. A. Whalen, and J. Guex. 1998. Biochronology and paleontology of Lower Jurassic (Hettangian and Sinemurian) radiolarians, Queen Charlotte Islands, British Columbia. Geological Survey of Canada Bulletin (496)1-162

Belongs to Amuria according to E. S. Carter et al. 1998

Sister taxon: Amuria impensa

Type specimen: Its type locality is S3-17-87-CNA-KUD-14, Kunga Island, which is in a Sinemurian basinal (siliciclastic) limestone/siltstone in the Sandilands Formation of Canada

Ecology: passively mobile planktonic omnivore