Higher Classification: > Kingdom Animalia > Phylum Cnidaria > Class Hydrozoa > Subclass Hydroidolina > Order Anthoathecata > Suborder Filifera > Family Hydractiniidae > Genus Clava

Clava multicornis (Forsskål, 1775)

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

ClavaGmelin, 1788accepted genus name

Species group names

Clava cornea Wright, 1857 synonym
Clava diffusa Allman, 1863 synonym
Clava leptostyla L. Agassiz, 1862 synonym
Clava squamata (Müller, 1776) synonym

Vernaculars (+) (-)

 Dutch: gemeene knodspolyp; gewone knotspoliep sources: Leloup, E. (1952). Coelentérés [Coelenterata]. ---. Institut royal des Sciences naturelles de Belgique: Brussels, Belgium. 283 pp.;Hayward, P.; Nelson-Smith, A.; Shields, C. (1999). Gids van kust en strand: flora en fauna [Coast and beach guide: flora and fauna]. Tirion: Baarn, Netherlands. ISBN 90-5210-327-5. 352, ill. pp.
 English: club hydroid; club-headed hydroid sources: UNESCO-IOC Register of Marine Organisms;PESI (A Pan-European Species directories Infrastructure) focal points
 English-United States: Club-headed Hydroid sources: Charles Hussey
 German: Keulen-Polyp; Keulen-Potyp


basis of record

van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 112-120

additional source

Brunel, P., Bosse, L. & Lamarche, G. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 p.

additional source

Trott, T.J. 2004. Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. Northeastern Naturalist (Special Issue 2): 261 - 324.

additional source

Hayward, P.J.; Ryland, J.S. (Ed.) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.

additional source

ITIS database

additional source

Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp.


Schuchert, P. 2008a. The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera part 3. Revue suisse de Zoologie 115: 221-302.





External Links

Biodiversity Heritage Library (93 publications)
USNM Invertebrate Zoology Cnidaria Collection
Marine Life Information Network - UK
GenBank (16 nucleotides; 30 proteins)


Schuchert, P. (2014). Clava multicornis (Forsskål, 1775). In: Schuchert, P. (2014) World Hydrozoa database. In: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2014) European Register of Marine Species, accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:117426




 Present  Absent  Doubtful  Native  Introduced  Naturalised  Invasive  Managed  No data


marine, brackish, not fresh, not terrestrial


no data

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Last modified

2009-11-12 by Peter Schuchert

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