Hyolitha - Orthothecida - Circothecidae

Full reference: V. V. Missarzhevsky. 1974. Novye dannye o drevnejshikh okamenelostyakh rannego kembriya Sibirskoj platformy. Biostratigraphiya i paleontologiya nizhnego kembriya Europy i severnoj Azii 179-189

Parent taxon: Circothecidae according to V. V. Missarzhevsky 1974

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

Subtaxa: Kotuyitheca curta

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Type: Kotuyitheca curta

Ecology: stationary epifaunal suspension feeder