Presumed statocysts in the cephalon of Dikerogammarus villosus (Sowinsky, 1894) (Peracarida, Amphipoda). Amphipod Pilot Species Project (AMPIS) Report 3
until further notice
SourceCrustaceana, 79, 8, (2006), pp. 1123-1127
Article / Letter to editor
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Animal Ecology & Physiology
SubjectAnimal Ecology and Physiology
In males and females of Dikerogammarus villosus, a depression in the integument was found at each side of the cephalon. These depressions have a specialized and, apparently, elastic cuticular lining. We assume that the depressions function as statocysts because of their backward location on the cephalon, just in front of the first pereionite, and also because of the remarkable resemblance with statocysts described from palinurid decapods, where such depressions form the outside expression of the statocysts present in the peduncles of the antennulae.
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