The occasional varix is much thickened, being composed of a number of parallel, close laminae.

[4] V. salebrosa is found on the tropical Pacific coast of America, from Baja California to Peru.

Members of the species bore a hole through the host's shell and suck its blood or digestive organ (depending on the prey) over a period of months.

[6][5] Consistent with their suctorial feeding habit, they have a long proboscis, reduced buccal mass, and simplified digestive system compared to other Muricids.

fisheri [4], the limpet-like slipper shell Crucibulum spinosum, and the vermetid gastropod Tripsycha (Eualetes) tulipa.