Psammoecus simonis Grouvelle 1892 Author Díaz, Analia Instituto de Limnología Dr. Raúl A. Ringuelet (CCT-La Plata CONICET), Boulevard 120 y 62, 1900 La Plata, Provincia de Buenos Aires, Argentina Author Martens, Koen Royal Belgian Institute of Natural Sciences, Freshwater Biology, Vautierstraat 29, Brussels 1000, Belgium and University of Ghent, Department of Biology, K. L. Ledeganckstraat 35, B- 9000 Ghent, Belgium. E-mail: darwinula @ gmail. com darwinula@gmail.com text Zoological Studies 2018 2018-03-26 57 10 1 13 http://dx.doi.org/10.5281/zenodo.8055806 journal article 10.6620/ZS.2018.57-10 1810-522X PMC6517720 31966250 12825381 Newnhamia fenestrata King, 1855 ( Figs. 5 A-E) Generic Differential Diagnosis (modified after De Deckker 1979a and George and Martens 2003 ): Valves rounded in lateral view, externally covered with polygonal elevation and rounded or pointed tubercles ( Figs. 5A, B, C, D ,). Ventral side of carapace ( Fig. 5E ) with anterior lip-like expansions of valve margins, near mouth; large part of ventral surface plate-like, set with 2-3 rows of rounded elevations and bordered by an elevated outer list. Each valve with prominent, rounded and opaque antero-dorsal eye-tubercles ( Figs. 5C, D ). Mandibular palp with 6 plumose internal setae and about 10 apical setae on terminal segment. Maxillula with 6 zahnborsten on third endite and two very large setae near first endite. T 2 without d-setae, penultimate segment divided, terminal segment with one long claw and two subapical setae, the latter unusually long in at least some species. T 3 with terminal segment separate from penultimate segment. Caudal ramus with distal seta. Type locality and type material : Swamp 2 km east of Princetown, near Port Campbell, Victoria , Australia , 38°41'0"S 142°09'0"E : Neotypes (ò, ñ), NHMS - Xe 19841, 19842. Material examined here : several dozen specimens, collected by P. De Deckker and K. Martens from a pond near Good Hope resort, near Canberra ( ACT /NSW - coordinates.: 35°6'26"S 148°51'670"E) on 25.03.2013 .