What is "muricinae"

Muricinae is a taxonomic subfamily of predatory sea snails, marine gastropod mollusks within the large family Muricidae, the murex snails and rock snails.

The Muricinae represent approximately 780 valid names of fossil (378) and recent (400) species (Merle et al. 2011). This subfamily contains the true Murex, and many other closely related genera.