"Shells large for the genus, thin for their size, inflated, with rounded sides and shoulders; spires low, depressed; characteristically, mature specimens have raised portion on posterior end of lip that projects beyond the spire; corresponding thickened callus on the body wall opposite raised portion of lip; body wall cal;lus and ip projection together producing constricted, posterior canal next to spire; colors generally in shades of green, green-gray, khaki, or blue, overlaid with dark brown of black flammules of various sizes; triangle net patterns present in only few species; aperture wide and flaring.".
Type species by original designation: Oliva vidua Röding, 1798. The type species was described as Porphyria vidua Röding, 1798, and should be emended accordingly. Type fixation valid according to art. 67.7 of the Code.
A genus of medium-sized species diustributed in the Western Indo-Pacific realm, the Central Indo-Pacific realm and the Eastern Indo-Pacific realm. The type species is Porphyria vidua Röding, 1798 (see below).
RV 7042. Indonesia, Bali, Candidasa.
The genus is recorded from the Pliocene of Indonesia.