†subfamily Cremnorthinae Williams 1963 (lamp shell)
Rhynchonellata - Orthida - Cremnorthidae
Parent taxon: Cremnorthidae according to W. I. Mitchell 1977
Sister taxa: Brandysia, Cremnorthis, Septorthis
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Cremnorthinae in the database