URMO taxon details
original description
Schulze, P. 1914. Bestimmungstabelle der deutschen Hydraarten. Vorl�ufige Mitteilung. - Sitzungsberichte der Gesellschaft naturforschender Freunde zu Berlin 9: 395-398, figs. page(s): 396 [details]
original description
(of Hydra graysoni Maxwell, 1970) Maxwell, T.R.A., 1970. Hydramoeba hydroxena (Entz) discovered on Hydra graysoni sp. nov. Nature, Lond. 225 5237: 1068., available online at http://www.nature.com/nature/journal/v225/n5237/pdf/2251068a0.pdf page(s): 1068 [details]
basis of record
Vervoort, W.; Schuchert, P. & van der Land, J. (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms. (look up in IMIS) [details]
redescription
Schuchert, P. (2010). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Capitata Part 2. <em>Revue Suisse de Zoologie.</em> 117: 337-555., available online at https://doi.org/10.5962/bhl.part.117793 page(s): 443, figs 49-50 [details] 
redescription
Schuchert, P. 2012. North-West European Athecate Hydroids and their Medusae. Synopses of the British Fauna (New Series) 59. The Linnean Society of London, London, pp. i-viii, 1-364. page(s): 100, fig. 99 [details] Available for editors 
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