Strophomenata - Productida

Parent taxon: Productida according to A. Williams et al. 2000

Sister taxa: Balikunochonetes, Chonetidina, Chonopectella, Lyttoniidina, Parapulchratia, Pectenoproductus, Ploughsharella, Productidina, Pseudoantiquatonia, Santanghuia, Strophalosiidina, Uraloproductus

Subtaxa: Chaoina multicostata, Chaoina reticulata

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Ecology: stationary low-level epifaunal suspension feeder