Phyllonotus pomum, the apple murex, is a species of large sea snail, a marine gastropod mollusc in the family Muricidae, the murex snails or rock snails.

[1] The adult shell's dimensions range from 44 mm to 133 mm.

Original description of Lovell Augustus Reeve (published 1843): The shell is fusiformly oblong, thick, solid, very rough throughout, transversely conspicuously ridged, tuberculated between the varices; three-varicose, varices tuberculated with a complicated mass of laminae; fulvous or reddish brown, columella and interior of the aperture ochraceous yellow, columellar lip slightly wrinkled, edge erected, vividly stained, especially at the upper part, with very black brown; outer lip strongly toothed, ornamented with three black-brown spots; canal rather short, compressed, recurved.

"[2] This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles; in the Atlantic Ocean between North Carolina and Northern Brazil.

This Muricidae-related article is a stub.