Hyolitha - Orthothecida - Circothecidae

Full reference: P. D. Kruse. 1990. Cambrian palaeontology of the Daly Basin. Northern Territory Geological Survey 7:1-58

Parent taxon: Larawidae according to P. D. Kruse 1990

Sister taxa: Circotheca, Conotheca, Kotuyitheca, Laratheca, Paragloborilus, Turcutheca, Guduguwan

Subtaxa: none

Ecology: stationary epifaunal suspension feeder