Spirobranchus giganteus (Christmas Tree Worms) 1 Spirobranchus giganteus (Christmas Tree Worms) 1 Illustration of Spirobranchus giganteus (Christmas Tree Worms) Christmas, tree, worms, Annelida, Polychaeta, Canalipalpata, Serpulidae, Spirobranchus, giganteus 2011-01-31 image/svg+xml Spirobranchus giganteus (Christmas Tree Worms) 1 2011-01-31 Integration and Application Network https://ian.umces.edu/media-library/spirobranchus-giganteus-christmas-tree-worms-1/ https://ian.umces.edu/media-library/spirobranchus-giganteus-christmas-tree-worms-1/ en-US Christmas, tree, worms, Annelida, Polychaeta, Canalipalpata, Serpulidae, Spirobranchus, giganteus Illustration of Spirobranchus giganteus (Christmas Tree Worms)