Christmas Tree Worm Scientific Name. These trees can be a single solid color but are also often multi toned with a second color gracing the outer tips of their spirals like garland. Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles called chaetae which are made of chitin.
Christmas tree worms whose scientific name is spirobranchus giganteus have two spiraled crowns on their back that each resemble a tiny colorful christmas tree. These christmas tree like crowns are composed of radioles or hair like appendages radiating from the worm s central spine. Each worm has two brightly colored crowns that protrude from its tube like body.
This means that there are two phases that complete the lifecycle.
Fisheries science 62 3 400 403. The polychaeta ˌpɒlɪˈkiːtə also known as the bristle worms or polychaetes are a paraphyletic class of annelid worms generally marine. Christmas tree worm spirobranchus giganteus tube worms tropical reefs. They are known for their christmas tree like appearance and bright colors.