Splendrillia formosa
Splendrillia formosa is an extinct species of sea snail, a marine gastropod mollusc in the family Drilliidae. Fossils of the species date to the middle Miocene, and occur in the strata of the Otway Basin of Victoria, Australia.
Description
In the original description, Powell described the species as follows:The holotype of the species measures in height and in diameter. The species' developed spiral sculpture resembles Iredalea exilis, but can be distinguished due to lacking a keeled protoconch.