WoRMS source details
Elrod, M. J. and Ricker, M. 1902. A new Hydra. - Transactions of the American Microscopical Society 23: 257-258.
35907
Elrod, M. J.; Ricker, M.
1902
A new Hydra
Transactions of the American Microscopical Society
23: 257-258
Publication
Systematics, Taxonomy