†suborder Syntrophiidina Ulrich and Cooper 1936 (lamp shell)
Parent taxon: Pentamerida according to M. Liljeroth et al. 2017
See also Benedetto 2003, Hansen and Holmer 2011, Mitchell 1977, Owen and Harper 1982, Popov et al. 2005, Williams et al. 2002, Zhan et al. 2010 and Zhan et al. 2010
Sister taxa: Pentameridina, Shordolella
Subtaxa: Camerelloidea Porambonitacea Porambonitoidea Syntrophioidea
Ecology: stationary epifaunal suspension feeder