Identification key: Hydrozoa

Tentacles of polyps "capitate" (with small knob at tip)?

Yes No

E-mail: nobanis@ni.is

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

Front page photo: Trachemys scripta elegans by Henrik Bringsøe