Description:-
Pereon dorsally with few if any setae. Pereopod 1 of both sexes similar. Antenna 1 with 1 aesthetasc, its last article not minute. Mandibular palp not reaching to end of incisor. Male pleopod 1 simple, without distolateral projections. Pleopod 3 exopod much narrower than endopod (generic characters).
References:-
Marilyn Schotte (2013). M. Schotte, C. B. Boyko, N. L. Bruce, G. C. B. Poore, S. Taiti & G. D. F. Wilson, ed. "Uromunna Menzies, 1962". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved October 30, 2013.
Schotte, M. (2015). Uromunna acarina. In: Schotte, M.; Boyko, C.B; Bruce, N.L.; Poore, G.C.B.; Taiti, S. & Wilson, G.D.F. (Eds) (2015) World Marine, Freshwater and Terrestrial Isopod Crustaceans database. Accessed through: World Register of Marine Species at http://marinespecies.org/aphia.php?p=taxdetails&id=256253 on 2015-04-29
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(Image represents the general features of the genus only)