Cymatium (Ranularia) exile (Reeve, 1844)
Length: 42.1mm, Width: 17.1mm, Height: 15.0mm.
Scuba, 70 ft, buried just under the surface of silty sand along reef edge.
Dadi Beach, Agat Bay, Guam. Collected by Bob Abela.
Distribution: Indo-West Pacific.
Habitat: A pair had been found under the plates of live Porites coral, in Apra Harbor, at night. Although the figured specimen was found in sand, it is very likely it was dislodged and had rolled down from the adjacent reef.
Availability: Appears to be rare on Guam.
Size: Up to about 60mm.
References:
Cernohorsky, Walter O. 1972. Marine Shells of the Pacific. p. 117. pl. 32, fig. 3.
Springsteen, F. J. & F. M. Leobrera. 1986. Shells of the Philippines. p 110. pl. 30, fig. 4.