If the worm has no aciculae, jaws or paragnaths, you probably have one of the numerous native polychaetes, but you may also have an introduced spionid, which has lost its 2 long tentacles (then go back to question 2 and answer "YES").
You may use data, pictures,information etc. available ad the site, as long as you refere to the sourse.
The database as a whole is to be cited as follows:
NOBANIS. Available from http://www.NOBANIS.org. Data of access x/x/201x