†Pseudoantiquatonia Zhan and Wu 1982 (lamp shell)
Alternative spelling: Pseudoantoquatonia
Parent taxon: Productida according to L. Angiolini 2001
Sister taxa: Balikunochonetes, Chaoina, Chonetidina, Chonopectella, Lyttoniidina, Parapulchratia, Pectenoproductus, Ploughsharella, Productidina, Santanghuia, Strophalosiidina, Uraloproductus
Subtaxa: Pseudoantiquatonia mutabilis
Ecology: stationary low-level epifaunal suspension feeder