Description: Body length up to 2 mm. Body very slender. Antenna 1 with basal article shorter than the remaining three together. Pereiopods small with the bases of pereiopods 4-6 swollen. Uropods almost half the combined length of pleon and pleotelson; endopodite slender and two-articled but exopodite represented only by a very small projection of the basis.
Habitat: It has been found on flat muddy substrates, down to 140 m.
Distribution: North-east of Aberdeen, Northumberland and the south and west coasts of Norway.
Kingdom Animalia Phylum Arthropoda Class Crustacea Subclass Malacostraca Superorder Peracarida Order Tanaidacea Suborder Tanaidomorpha Family Leptognathiidae Genus Leptognathia Species filiformis
