"Thylacodes colubrinus is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells. This species was previously known as Serpulorbis colubrinus."@en . . . . . "Thylacodes colubrinus"@en . . "Serpula ocrea (Gmelin, 1791)" . "Serpula colubrina (R\u00F6ding, 1798)" .