Spirolaxis exornatus Bieler, 1993
5 mm shell diameter. (Kay, 1979)
shells of this species tend to decoil with growth.
The sides are flat and margined with granular cords.
have been dredged from depths of 200 m (656 ft).
and Lanai: also known from the Gulf of Oman.
It's listed in Kay, 1979 as Pseudomalaxis
(Melvill & Standen, 1903)