Abstract
Adults and several juvenile stages of E. coulli sp. nov and E. sublicarum sp. nov. are described from the North Inlet Estuary, Georgetown, South Carolina [USA]. Adults of E. coulli lack dorsal spines, may have small lateral spines on segments 7 and 10 in addition to lateral terminal spines, and thereby closely resemble E. maxwelli from South Africa. E. coulli, is the 1st kinorhynch apparently restricted to an intertidal mud habitat and the 1st kinorhynch known to have a dimorphic female. F. sublicarum is similar to E. bookhouti and was collected from hydrozoan colonies (Eudendrium sp.) growing on pilings. In addition to descriptions of E. coulli and E. sublicarum, this paper reports the occurrence of Centroderes spinosus (Reinhard, 1881) Zelinka, 1928, at Mt. Desert Island, Maine and Buzzards Bay, Masschusetts, and of Campyloderes macquariae Johnston, 1938, at Seabrook, New Hampshire.

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