†family Iotrigoniidae Saveliev 1958 (clam)
Bivalvia - Trigoniida - Megatrigonioidae
Parent taxon: Megatrigoniitae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxon: Megatrigoniidae
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Iotrigoniidae in the database