Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Cnidaria > Subphylum Medusozoa > Class Hydrozoa > Subclass Hydroidolina > Order Anthoathecata > Suborder Aplanulata > Family Hydridae

Hydra Linnaeus, 1758

Rank: Genus
Taxon Status: accepted

Children

Hydra (Chlorohydra) Schulze, 1914
Hydra (Pelmatohydra) Schulze, 1914
Hydra circumcincta Schulze, 1914
Hydra oxycnida Schulze, 1914
Hydra vulgaris Pallas, 1766

Literature

original description	Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. Impensis Direct. Laurentii Salvii. Holmiae [Stockholm]. 1(10) [iii], 824 p.
additional source	Robson, E. A. (2004). Cnidogenesis in the jewel anemone Corynactis californica (Carlgren, 1936) and C. viridis (Allman, 1846) (Anthozoa: Corallimorpharia). Zoologische Mededelingen, Leiden, 78(27): 461-476
additional source	McMurrich, J. P. (1893). Report on the Actiniæ collected by the United States Fish Commission Steamer Albatross during the winter of 1887-1888. Proceedings of the United States National Museum, 16(930): 119-216
redescription	Schuchert, P. (2010). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Capitata Part 2. Revue Suisse de Zoologie. 117: 337-555.

Genbank

Citation

Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Hydra Linnaeus, 1758. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:267491

Dr. Wim Vervoort. Hydra Linnaeus, 1758. Accessed through: Fauna Europaea at https://portal.cybertaxonomy.org/fauna-europaea/cdm_dataportal/taxon/77a0789a-223d-4309-81be-345abce257e5