WoRMS source details
Hyman, L. H. 1931b. Taxonomic studies on the Hydras of North America. IV. Description of three new species with a key to the known species. - Trans. Am. microsc. Soc. 50: 302-315, pls. 29-32
24624
Hyman, L. H.
1931
Taxonomic studies on the Hydras of North America. IV. Description of three new species with a key to the known species
Trans. Am. microsc. Soc
50: 302-315
Publication
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Systematics, Taxonomy
Hydra littoralis Hyman, 1931 accepted as Hydra vulgaris Pallas, 1766 (original description)
Hydra utahensis Hyman, 1931 (original description)
Pelmatohydra pseudoligactis Hyman, 1931 accepted as Hydra canadensis Rowan, 1930 (original description)
Hydra utahensis Hyman, 1931 (original description)
Pelmatohydra pseudoligactis Hyman, 1931 accepted as Hydra canadensis Rowan, 1930 (original description)