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MarBEF Data System |
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Hydrozoa name details
original 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 [details]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [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]
status source
Nawrocki, A. M., Schuchert, P., & Cartwright, P. 2010. Phylogenetics and evolution of Capitata (Cnidaria: Hydrozoa), and the systematics of Corynidae. Zoologica Scripta 39(3): 290-304. [details]
From editor or global species database
Diagnosis Hydroid: unknown.
Medusa rather large, gastric peduncle usually well developed; manubrium prismatic, with perradial pouches, 4 oral lips studded with nematocysts; 4 radial canals with or without blind side branches; gonads either spiral or sausage-shaped on perradial manubrial pouches only; tentacles numerous (24-260) with stout elongate bulbs; abaxial ocelli. [details]
Status The phylogenetic analysis of Nawrocki et al. (2010) has shown that the Polyorchidae are actually part of the Corynidae clade. [details]
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