tube-medusan. a medusa with an internal system of tubes; a siphonophore.
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the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > order Siphonophora > member of
siphonophore1842
tube-medusa1860
siphonophoran1888
1860 F. C. L. WraxallLife in Sea x. 243 Among the Tube Medusæ is also classed the pleasing Velella.