Scrinium is a genus of sea snails, marine gastropod mollusks in the family Mitromorphidae, in the superfamily Conoidea the cone snails and their allies. The small shell is oblong and rounded at each end. It contains only a few whorls. The low protoconch is dome-shaped. The colour is yellow and brown, uniform or variegated. There is no differentiation of the fasciole area. The sculpture consists of obscure radial ribs and faint spiral grooves.The aperture is rather wide and smooth within. The sinus is shallow. The outer lip is simple. The siphonal canal is short and wide, with an everted margin. The columella is concave and twisted. The species in this genus occur off Australia and New Zealand. Fossils have been found off New Zealand, age range: 37.2 to 15.9 Ma.