Cypridopsinae, Kaufmann, 1900

Savatenalinton, Sukonthip, 2018, New genus of subfamily Cypridopsinae Kaufmann, 1933 (Crustacea: Ostracoda) from Thailand, European Journal of Taxonomy 487, pp. 1-17 : 12

Key to genera with LV overlapping RV in the subfamily Cypridopsinae

1. Respiratory plate of T1 absent ................................................... Austrocypridopsis McKenzie, 1982

– Respiratory plate of T1 present ......................................................................................................... 2

2. Claw G2 on A2 strongly serrated ...................................................................................................... 3

– Claw G2 on A2 normal developed .................................................................................................... 5

3. Terminal claw of T2 with bifurcate end, large setae on Mx1endites with spatula-shaped apex, valve surface without circular ridges ............................................................ Thaicypridopsis gen. nov.

– Terminal claw of T2 without bifurcate end, large setae on Mx1 endites without spatula-shaped apex ................................................................................................................................................... 4

4. Hinge simple and adont, valve surface without circular ridges .......................................................... ................................................................................................ Cabelodopsis Higuti & Martens, 2012

– Hinge well developed, valve surface with prominent circular ridges ......... Zonocypris Müller, 1898

5. Pincer organ on T3 absent ........................................................................ Neocypridopsis Klie, 1940

– Pincer organ on T3 present ............................................................................................................... 6

6. CR absent in female and male .................................................. Pseudocypridopsis Karanovic, 1999

– CR present in female ........................................................................................................................ 7

7. Carapace elongated, marginal fused zone somewhat broad, A2 natatory setae short ........................ ........................................................................................................... Cavernocypris Hartmann, 1964

– Carapace more ovated, marginal fused zone (if present) narrow, mostly A2 natatory setae long .... 9

8. Right prehensile palp with wing-like expansion on terminal segment, A2 aesthetasc Y 2-segmented ........................................................................................................... Tungucypridopsis Victor, 1983

– Right prehensile palp without wing-like expansion on terminal segment, A2 aesthetasc Y 3- or 4-segmented ................................................................................................. Cypridopsis Brady, 1867