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Image of Sphaeronectes Huxley 1859
Creatures » … » Animal » Cnidarians

Hydrozoans

Hydrozoa Owen 1843

sexual system
show all Body organization Body symmetry cellularity described accepted species geographic distribution known marine species mineralized tissue contains number of new species decribed 1999-2008 percent of marine species currently described percent surveyed species not yet known to science percent synonyms among marine species reproduction sexual system total species (expert opinion) total unknown marine species trophic guild undescribed marine species present in museum collections undiscovered marine morphospecies undiscovered species (molecular cryptic) visual system
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