actinula

From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 14:26, 10 September 2013 by Andreas Plank (Talk | contribs) (1 revision: noun simple (largest file 2.4MB))

Jump to: navigation, search
actinula (noun; Greek diminutive aktis, ray): (Cnidaria: Hydrozoa) A larval stage that looks like either a polyp or medusa, depending upon whether the mouth is turned upward or downward.