Cypricercinae, Stuhlmann, 1888

TABLE 3: Key to the genera of the Cypricercinae View in CoL

(Adapted from Savatenalinton & Martens, 2009b)

1. a. TL present on db of Att CR............................................................................. 2

b. TL present at middle of distal part of Att CR................................................................ 5

2. a. d-seta on T1 absent, carapace in lateral view subtriangular, WO present.............................. Bradleytriebella

b. d-seta on T1 present, carapace in lateral view not subtriangular, WO absent....................................... 3

3. a. CpD tumid, valves strongly ornamented with tubercules.............................................. Spirocypris

b. CpD not tumid, valves weakly or not ornamented, not set with tubercules......................................... 4

4.a. CpD elliptical, subovate; on T2, seta d1 and d2, both long....................................... Bradleystrandesia

b. CpD narrow, in lateral view high and elongated, setae d1 and d2 on T2 both minute............... Lithocypris gen. nov.

5. a. b-seta on T1 absent................................................................................... 6

b. b-seta on T1 present................................................................................... 7

6. a. no d1- and d2-setae on T2, vb of Att CR absent.................................................. Diaphanocypris

b. d1- and d2-setae on T2 present, vb of Att CR present............................................... Astenocypris

7. a. d -seta on T1 absent................................................................................... 8

b. d-seta on T1 present, sometimes very large ( Neostrandesia).................................................... 9

8. a. vb of Att CR absent, carapace in dorsal view narrow................................................ Nealecypris

b. vb of Att CR present, carapace in dorsal view elliptical, subovate.................................. Pseudostrandesia

9. a. Att CR with short vb.................................................................................. 10

b. Att CR with long, well-developed vb..................................................................... 11

10.a. vb on Att CR short and stout, distally rounded, TL sometimes with 2 loci................................. Tanycypris

b. vb on Att CR short and narrow, distally pointed; TL always single.................................... Neostrandesia

11. a. anterior part of internal LV without inner list ( type B), Hp with triangular lateral shield ( type D)............ Bradleycypris

b. anterior part of internal LV with 0–2 inner lists ( type C, D or E), Hp with different lateral shield..................... 12

12. a. CpL elliptical, subovate, elongated (L <2xH, Hp with large, wing-like lateral shield ( type B), Zenker organ with chitinous sheet on both ends.................................................................................. Strandesia

b. CpL elongated (L> 2xH, Hp with small, subquadrate lateral shield ( type C), Zenker organ with a crown of petal-like structure at distal end plate............................................................................ Cypricercus