†family Nisusiidae Walcott and Schuchert 1908 (lamp shell)
Parent taxon: Nisusioidea according to A. Williams et al. 2000
Sister taxa: none
Subtaxa: Eoconcha, Khasagtina, Narynella, Nisusia, Trematosia
Type: Nisusia
Ecology: stationary epifaunal suspension feeder