Filodrillia pergradata is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.WoRMS (2015). Filodrillia pergradata Cotton, 1947. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php/aphia.php?p=taxdetails&id=433814 on 2016-03-07
Distribution This marine species is endemic to Australia and occurs off Southern Australia.
References
Cotton, Bernard C. Australian Recent and Tertiary Turridae. Field Naturalists Section of the Royal Society of South Australia, Conchology Club, 1947.