Schizotrema leswatlingi, Petrescu, 2018

Petrescu, Iorgu, 2018, On the Family Nannastacidae (Crustacea, Cumacea) from the Australian Museum Collection, Records of the Australian Museum 70 (1), pp. 1-111 : 44

Key to species of Schizotrema from Australian waters

Females

1 Carapace with an anterolateral process ..................................................................................... 2 —— Carapace without anterolateral process ..................................................................................... 7

2 Carapace with downwardly bent anterior process .................................... S. leswatlingi sp. nov. —— Carapace with straight anterior process ..................................................................................... 3

3 Carapace integument with tubercles .......................................................................................... 5 —— Carapace integument without tubercles .................................................................................... 4

4 Anteroventral corner acute ................................................................ S. sordidum Calman, 1911 —— Anteroventral corner blunt ............................................................................ S. zimmeri sp. nov.

5 Carapace integument with spatulate spines ............................................... S. sakaii Gamô, 1964 —— Carapace with spines and tubercles ........................................................................................... 6

6 Spines from carapace with groups of setae on top .................................. S. resimum Hale, 1949 —— Carapace with spines and small setae ................................................... S. bifrons Calman, 1911

7 Peduncle of uropod longer than pleonite 6 ...................................... S. depressum Calman, 1911 —— Peduncle of uropod shorter than pleonite 6 ............................................................................... 8

8 Uropodal endopod 3.5 as long as exopod ........................... S. nudum Tafe & Greenwood, 1996

—— Uropodal endopod less than 3 exopod length ........................................................................... 9

9 Uropodal endopod more than 2 exopod length .................................... S. aculeatum Hale, 1936

—— Uropodal endopod less than 2 exopod length ............................................. S. dumitriui sp. nov.