Radiolaria - Spumellaria - Pantanelliidae

Full reference: C. D. Blome. 1983. Upper Triassic Capnuchosphaeridae and Capnodocinae (Radiolaria) from east-central Oregon. Micropaleontology 29(1):11-49

Belongs to Renzium according to C. D. Blome 1983

Sister taxa: Renzium adversum, Renzium tricarinatum

Type specimen: Its type locality is OR-139 Morgan Mountain, Izee, which is in a Norian basinal (siliceous) mudstone in the Rail Cabin Argillite Formation of Oregon

Ecology: passively mobile planktonic omnivore