Songkhramodopsis gen. nov., a new genus of Cypridopsinae (Crustacea: Ostracoda) from Thailand Author Savatenalinton, Sukonthip text Zootaxa 2023 2023-03-09 5254 1 51 68 http://dx.doi.org/10.11646/zootaxa.5254.1.3 journal article 10.11646/zootaxa.5254.1.3 1175-5326 7710819 4DE83E24-16C4-4297-BECB-73719FEACB8C Key to tribes of Cypridopsinae 1. a. Terminal segment of Mx1-palp spatula shape.................................................. Potamocypridini b. Terminal segment of Mx1-palp cylindrical shape............................................................ 2 2. a. A1 6-segmented, T 3 without pincer organ......................................... Songkhramodopsini trib. nov. b. A1 7-segmented, T 3 with or without pincer organ........................................................... 3 3. a. Marginal septa present, T 3 without pincer organ, T 2 penultimate segment undivided.................... Cyprettadopsini b. Marginal septa absent, T 3 with pincer organ, T 2 penultimate segment divided..................................... 4 4. a. Limbs with reductions of segmentation and chaetotaxy............................................ Paranadopsini b. Limbs without reductions of segmentation and chaetotaxy.................................................... 5 5. a. RV overlapping LV..................................................................... Plesiocypridopsini b. LV overlapping RV ................................................................................... 6 6. a. Female claw G2 very large and strongly serrated................................................. Zonocypridini b. Female claw G2 normal size, slightly strong serrated in some members................................ Cypridopsini