The common name worm-snail (or worm snail, wormsnail, or worm shell) applies to a family and several species of gastropod: Vermetidae (family) Dendropoma corallinaceum Thylacodes (genus) Thylacodes aotearoicus Thylacodes natalensis Thylacodes squamigerus Thylacodes zelandicus Vermicularia knorrii (common name Florida worm snail)