Mangelia hyemalis is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]
The length of the shell attains 30 mm.
The shell has a fusiform shape. It is slightly translucent but still solid. The spire has an elongated conical shape. The protoconch is papillar, white and shining. The shell contains 9 whorls. They are slightly impressed towards the suture. They are at first smooth but then become obliquely costulate and rugose. The narrow aperture has an elongated oval shape with on top a large and deep sinus. The siphonal canal is very short and wide open. The columella is slightly arcuate and is thickened at its base.[2]
This marine species occurs off Tierra del Fuego.
Mangelia hyemalis is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.