Use the links to navigate the hierarchy of invertebrate classification.

Species H. americana

= H. vulgaris

Literature Records

• Hydra americana, [North Central United States] (Underhill et al., 1982).
• Hydra americana, "common in the eastern U.S.; also recorded from Okla." (Hyman, 1959).

Bibliography

• Underhill, J.C., W.D. Schmid & D.E. Gilbertson. 1982. Taxonomic Keys to the Common Animals of the North Central States, exclusive of the parasitic worms, terrestrial insects, and birds, 4th edition. 205 pp.
• Hyman, L.H. 1959. Coelenterata. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 313-322.

Web Pages

• Integrated Taxonomic Information System
• World Hydrozoa Database