mantleslugEtymologyFrom mantle + slug, because of the unusually large protective mantle.mantleslug means any of several air-breathing land slugs of the genera Philomycus or Pallifera. Lexicurio rates it Rare gem — a strength score of 83 out of 100.nounAny of several air-breathing land slugs of the genera Philomycus or Pallifera.“Carolina mantleslug (Philomycus carolinianus) was recorded by Pearce, Nielsen and Rogers (1992) at Bad Gully, at the top of the escarpment above Beaver Basin in beech-sugar maple forest.”