Data source info
class
hydra and freshwater jellyfish
Hydrozoa Owen, 1843
class Hydrozoa Owen, 1843 - hydra and freshwater jellyfish
Opravilova V. 1999: Hydrozoa. In: Opravilova V., Vanhara J. & Sukop I. (eds): Aquatic Invertebrates of the Palava Biosphere Reserve of UNESCO. Folia Fac. Sci. Nat. Uni. Masaryk. Brun., Biol., 101: 43-45. (Hydrozoa)