Polygona devyanae is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.MolluscaBase eds. (2021). MolluscaBase. Polygona devyanae (Rios, Costa & Calvo, 1994). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=739719 on 26 April 2021 References