Murex Small 320×163 Medium 640×327 Large 1024×523 Download Tiff Original 2400×1225 | (1.0 MB) Description Murex is a genus of predatory gastropod mollusks. Keywords defense, Gastropod, mollusc, mollusk, murex, murex tribulus, predatory sea snail, sea shell, spikes, spiny shell, thorny woodcock Galleries Snails and Slugs Source: Wood, John George The Boy's Own Book of Natural History (New York, NY: George Routledge & Sons, 1861)