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WoRMS taxon detailsPolyorchis A. Agassiz, 1862
 267759 (urn:lsid:marinespecies.org:taxname:267759)
accepted
Genus
Melicertum penicillatum Eschscholtz, 1829 accepted as Polyorchis penicillatus (Eschscholtz, 1829) (type by monotypy)
marine,
recent only
Agassiz, L. (1862). Contributions to the natural history of the United States of America. <em>Little Brown, Boston.</em> 4: 1-380, pls 1-19., available online at https://www.biodiversitylibrary.org/page/16068829
page(s): 349 [details]
Taxonomy Classification as Corynidae according to Nawrocki et al. 2010
Taxonomy Classification as Corynidae according to Nawrocki et al. 2010 [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Polyorchis A. Agassiz, 1862. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=267759 on 2025-05-10
Date action by
Nomenclatureoriginal description
Agassiz, L. (1862). Contributions to the natural history of the United States of America. <em>Little Brown, Boston.</em> 4: 1-380, pls 1-19., available online at https://www.biodiversitylibrary.org/page/16068829 page(s): 349 [details] basis of record van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details] Taxonomy Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Medusa: marginal hollow tentacles numerous, in a simple row along exumbrella margin; tentacular bulbs tubular, adnate, with ocellus on short spur; four radial canals with numerous, short, blind lateral diverticula; ring canal with or without branched diverticula; gastric peduncle pronounced; manubrium prismatic with pendant sausage-shaped bearing the gonads; four crenulated oral lips with distinct nematocysts rows.Polyp unknown [details] Taxonomy Classification as Corynidae according to Nawrocki et al. 2010 [details]
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