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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 theExpand
European Obelia (Cnidaria, Hydroida) : systematics and identification
Phenotypic variation in both hydroid and medusa stages of Obelia species causes taxonomic difficulties. This variation is considered in detail, and some new taxonomic guidelines are proposed. TheExpand
Evolution in leptolid life-cycles (Cnidaria: Hydroida)
The medusae of many hydroids remain attached to the colony, often in a vestigial state. Evolutionary origins are sometimes thus obscured. Some authorities have considered these derived hydroidExpand
Vinegar as a disarming agent to prevent further discharge of the nematocysts of the stinging hydromedusa Olindias sambaquiensis.
Olindias sambaquiensis, known as agua viva, is an endemic hydromedusa that is distributed from latitude 23 degrees to 42 degrees south in the southwestern Atlantic Ocean and is known to cause severeExpand