Pygmaepterys dondani is a species of sea snail, a marine gastropod mollusc in the family Muricidae, the murex snails or rock snails.MolluscaBase eds. (2020). MolluscaBase. Pygmaepterys dondani (Kosuge, 1984). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1325977 on 2020-11-21 References