Gastropoda - Euomphalina - Oriostomatidae

Alternative combination: Cyclonema lilydalensis

Full reference: R. Etheridge, Jr. 1891. Further descriptions of the Upper Silurian fossils from the Lilydale Limestone, Upper Yarra District, Victoria. Records of the Australian Museum 1(7):125-130

Belongs to Australonema according to P. J. Wagner 2011

Sister taxa: Australonema acuta, Australonema australis, Australonema blodgetti, Australonema chico, Australonema guillieri, Australonema havliceki, Australonema immersum, Australonema iniquilineatum, Australonema melbournensis, Australonema parva, Australonema persimile, Australonema simpsoni, Australonema varvarae, Australonema wellingtonensis

Type specimen: Its type locality is Cave-hill Quarries, Lilydale [Lilydale Lmst], which is in a Pragian marine limestone in the Lilydale Limestone Formation of Australia

Ecology: stationary epifaunal suspension feeder