Longipalpa saltatrix, a new genus and species of the meiofaunal family Nerillidae (Annelida: Polychaeta) from an anchihaline cave in Bermuda
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abstract
A new genus and species of the meiofaunal family Nerillidae is described from an anchihaline cave in Bermuda. The description is based on studies of live animals with dissecting and light microscopes, as well as studies of fixed material with light and scanning electron microscopy. Longipalpa saltatrix, new species, differs from all other nerillids by possessing a pair of extremely long latero-ventral palps on the prostomium and a pair of ciliated pygidial lobes. It is further characterized by the combination of the following characters: three very short dorsal prostomial antennae, eight chaetigerous body segments, single parapodial cirri from segment three to eight, compound chaetae, and hermaphroditism.
