Pseudostrandesia, Savatenalinton & Martens, 2009

Savatenalinton, Sukonthip, 2021, Two new species of Cypricercinae McKenzie, 1971 (Crustacea: Ostracoda) from Thailand, European Journal of Taxonomy 733, pp. 19-41 : 36-37

Key to Pseudostrandesia species

1. Cp in dorsal view with beak-like anterior end .................................................................................. 2

– Cp in dorsal view without beak-like anterior end ............................................................................. 3

2. Cp in dorsal view with beak-like posterior end, penultimate segment of A2 not divided .................. ........................................................................................................... P. striatoreticulata ( Klie, 1932)

– Cp in dorsal view with rounded posterior end, penultimate segment of A2 divided .......................... ........................................................................................ P. gaetani Savatenalinton & Martens, 2010

3. Cp with large posterior LV overlap over RV, Cp in frontal view not oblique .................................... ............................................................................... P. thailandensis Savatenalinton & Martens, 2010

– Cp without large posterior LV overlap over RV ............................................................................... 4

4. LV with antero-ventral lip-like flange ............................................................................................... 5

– LV without antero-ventral flange ...................................................................................................... 6

5. β-seat on Md-palp markedly large, h3 seta on T2 remarkably long ........ P. ratchaburiensis sp. nov.

– β-seat on Md-palp small, h3 seta on T2 short ... P. complexa ( Victor & Fernando, 1981) comb. nov.

6. Cp in lateral view with narrow, bluntly pointed posterior end, very small overlap anteriorly ........... .......................................................................................................... P. calapanensis (Tressler, 1937)

– Cp in lateral view with rounded posterior end .................................................................................. 7

7. Cp in lateral view subovate, LV without anterior inner list ................................................................ ...................................................................... P. guleni Külköylüoğlu, Yavuzatmaca & Yılmaz, 2020

– Cp in lateral view elongated, LV with anterior inner list .................................................................. 8

8. Cp with large anterior overlap, Cp oblique in frontal view ................................................................ ....................................................................................... P. mamarilorum ( Victor & Fernando, 1981)

– Cp with small anterior overlap ......................................................................................................... 9

9. Cp in lateral view with greatest height situated at mid-length, one bristle on Mx1 3 rd endite smooth and one serrated ................................................................. P. ovata Savatenalinton & Martens, 2010

– Cp in lateral view with greatest height situated before mid-length, both bristles on Mx1 3 rd endite serrated .............................................................. P. petchabunensis Savatenalinton & Martens, 2010