Candona ( Candona ) subacuta Yang Hou et al., 1982: 71
Candona japonica
Fabaeformiscandona japonica
Schornikov and Trebukhova, 2001: 64
Fabaeformiscandona subacuta
Schornikov, 2004: 458–465
Freshwater ostracods (Crustacea) from Tiantong National Forest Park and Dongqian Lake, eastern China, with descriptions of two new species
Ma, Shunxin
Yu, Na
Journal of Natural History
2018
2018-07-27
52
27 - 28
1825
1868
242120bc-6ae4-430e-a19d-71391ed34549
Ma & Yu
2018
Ma & Yu
2018
[271,651,451,476]
Ostracoda
Candonidae
Fabaeformiscandona
Animalia
Podocopida
8
1832
Arthropoda
species
subacuta
( Figures 4a–c, 5)
Candona( Candona) subacutaYang Hou et al., 1982: 71, pl. 17, figs. 3–5. Candona japonica sp. nov. Okubo, 1990, 40–42, fig. 1(j–r). Fabaeformiscandona japonica comb. nov. Schornikov and Trebukhova, 2001: 64. Fabaeformiscandona subacuta comb. nov. Schornikov, 2004: 458–465.
Material examined Three females (ECNU20140907/TT23, 25; ECNU20150419/TT42) and three males(ECNU20140907/TT24; ECNU20150419/TT48; ECNU20150418/TT49) dissected.
Dimensions (Female, n= 3) Length, 0.96–1.06 mm; height, 0.48–0.50 mm; width, 0.41 mm. (Male, n= 3) Length, 1.13–1.18 mm; height, 0.58–0.60 mm. Brief description Female, height of carapace equal to half of length. In dorsal view, LV overlapping RV with flanges both anteriorly and posteriorly. Two setae present on the end of first endopodal segment of A2. The penultimate segment of L7 divided. Claw Gpon UR equalling threequarters the length of claw Ga. Seta Sasmall. More than two branches present on UR attachment. Male, right palp of L5 large ( Figure 5a). Left palp L-shaped with distal indentation ( Figure 5b). Zenker organ with seven rows of chitinized rosettes. Outer lobe on Hp distally pointed ( Figure 5d).
Distribution This species is globally widespread and is thought to have originated in Asia ( Escrivà et al. 2012). In China, living examples of F. subacutahave been reported from Beijing( Zhai et al. 2017), Zhejiang( Escrivà et al. 2012) and Guizhou( Kong et al. 2013).