Rhynchonellata - Rhynchonellida

Parent taxon: Stenoscismatoidea according to A. Williams et al. 2002

Sister taxa: Atriboniidae, Psilocamaridae

Subtaxa: Nantanella, Proatriboniinae, Stenoscismatinae

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Type: Stenoscisma

Ecology: stationary epifaunal suspension feeder