From a sandy salt marsh predominantly covered by Halimione portulacoides, at the northern coast of Bretagne (France), Bathyepsilonema spinulosum sp. n. is described and Epsilonema lasium Lorenzen 1973 is redescribed. These are the first records of epsilonematid species from a salt marsh. E. lasium is the first epsilonematid species to be recorded from both sides of the Atlantic.
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