Rostroconchia - Ribeirioida - Ribeiriidae

Alternative combination: Opikella cambrica

Full reference: B. Runnegar and J. Pojeta, Jr. 1974. Molluscan phylogeny: the paleontological viewpoint. Science 186(4161):311-317

Belongs to Oepikila according to P. J. Wagner 2011

Sister taxa: none

Type specimen: Its type locality is Locality 85. Low strike rises of limestone in low soil plains, on road from 20-Mile Bore to Glenormiston, 9.5 kilometers NNE of 20-Mile Bore, which is in an Idamean marine limestone in the Georgina Formation of Australia.

Ecology: stationary semi-infaunal suspension feeder