Pyrgiscus rufescens
Pyrgiscus rufescens is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. Taxonomy. There is disagreement regarding whether this "Pyrgiscus jeffreysii" and "Pyrgiscus rufescens" represent two different species (e.g.: Høisæter, 2014 and references therein) or variation of the same species (e.g. Nordsieck, 1972). Here Høisæter (2014) is followed and the two species are treated as "accepted". Distribution. This species occurs in the following locations: