Two species of free-living nematodes of order Enoplida from Mediterranean Sea
New species of free-living nematodes <i>Thalassoalaimus lissus </i>sp.n. and <i>Pelagonema obtusicauda </i>Filipjev, 1918, male of with described fragmentary, incompletely were found off Mediterranean Sea cost near Israel. <i>Thalassoalaimus lissus</i> sp.n. similar to <i>Th. mediterraneus </i>Vitiello, 1970 and <i>Th. septentrionalis </i>Filipjev, 1927, but differ from them by the presence of hypodermal glands, more front location of vulva, comparatively shorter oesophagus, longer spicules and another positions of precloacal supplemental papillae. Illustrated descriptions of males and females <i>Pelagonema obtusicaudata</i> are given.