Abstract: This work was done with the aim of computing all the species of Hydrozoa (Siphonophora excluded) that have been collected on the Brazilian coast, or in the pelagial, near the coast (some of the "Meteor" Stations). Nutting's (1900, 1904, 1915) and Mayer's (1910) monographs were taken as starting points and later papers and the Zoological Record used to check posterior findings. As a whole, 116 different valid names, among species and forms, have been mentioned from the Brazilian coast, distributed among 60 genera. Of the 116 species, 82 are repr...
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