Deep-sea Kinorhyncha: two new species from the Guinea Basin, with evaluation of an unusual male feature
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2014
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Springer
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Sánchez, N., Pardos, F. & Sørensen, M.V. Deep-sea Kinorhyncha: two new species from the Guinea Basin, with evaluation of an unusual male feature. Org Divers Evol 14, 349–361 (2014). https://doi.org/10.1007/s13127-014-0182-6
Abstract
Two new species of homalorhagid kinorhynchs from the deep-sea Guinea Basin are described. Pycnophyes nubilis sp. nov. is easily recognized by the presence of paradorsal setae on segment 1; middorsal processes on segments 1–10, progressively increasing in length towards the posterior segments; and middorsal process on segment 10 extending over the last trunk segment. Pycnophyes farinellii sp. nov. is distinguished by middorsal elevations on segments 2–9 and laterodorsal and ventromedial setae on segments 2 and 9 only. Moreover, males of the latter species lack ventromedial tubes on segment 2—a very uncommon feature among the genus. The systematic significance of this character is discussed in detail.
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This research received support from the SYNTHESYS Project http://www.synthesys.info/ to Nuria Sánchez, which is financed by European Community Research Infrastructure Action under the FP7 "Capacities" Program. This work was supported by the Research Project CGL 2009-08928 (Ministerio de Ciencia y Tecnología, Government of Spain).