Cypricercinae, Stuhlmann, 1888

Martens, Koen, Almeida, Nadiny Martins De, Páll-Gergely, Barna & Higuti, Janet, 2023, On a new tribe, genus and species of Cypricercinae McKenzie, 1971 (Crustacea, Ostracoda, Cyprididae) from New Caledonia (Pacific Ocean), Zootaxa 5375 (4), pp. 451-477 : 458

TABLE 3: Key to the genera of the Cypricercinae

(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