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The European and Mediterranean species of Aglaophenia (Cnidaria: Hydrozoa)
The eleven species of the hydroid genus Aglaophenia Lamouroux, 1812, recorded from European and Mediterranean waters are redescribed in detail and aspects of their biology discussed. A section on the
European Obelia (Cnidaria, Hydroida) : systematics and identification
TLDR
The problem of relating plankton-caught medusae to their respective hydroids is addressed and new taxonomic characters considered, so that the problem comes close to being solved.
Evolution in leptolid life-cycles (Cnidaria: Hydroida)
TLDR
The medusae of many hydroids remain attached to the colony, often in a vestigial state, and evolve later as modified and released reproductive polyps, a direction of evolution related to the advantages of perennation in large, iterated colonies and consequent larva...
Vinegar as a disarming agent to prevent further discharge of the nematocysts of the stinging hydromedusa Olindias sambaquiensis.
TLDR
This is the first report of the use of vinegar in disarming O sambaquiensis nematocysts and includes preliminary observations on its use in managing the stings of hydromedusae.
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