Freshwater ostracods (Crustacea) from Tiantong National Forest Park and Dongqian Lake, eastern China, with descriptions of two new species
Author
Ma, Shunxin
Author
Yu, Na
text
Journal of Natural History
2018
2018-07-27
52
27 - 28
1825
1868
http://dx.doi.org/10.1080/00222933.2018.1489085
journal article
10.1080/00222933.2018.1489085
1464-5262
5175156
2D679051-CBA2-4B09-BCF0-E0152EBC2694
Physocypria kraepelini
G. W.
Müller 1903
(
Figure 7d
)
Physocypria kraepelini
sp. nov.
G. W.
Müller, 1903: 165
, figs. 1–7.
C
ypria
kraepelini
comb. nov.
Karanovic, 2011: 13
.
Material examined
One female (ECNU20140907/TT12) and
one male
(ECNU20140907/TT11) dissected.
Dimensions
(Female,
n
= 3) Length,
0.53–0.60 mm
; height,
0.40–0.48 mm
. (Male,
n
= 2) Length,
0.49– 0.55 mm
; height,
0.35–0.40 mm
.
Brief description
Female
, in lateral view, LV overlapping RV both anteriorly and posteriorly. RV with small denticles along antero-ventral and postero-ventral margins. Natatory setae of A2 exceeding the tips of terminal claws by two-thirds of their total length. L6 five-segmented, basal seta missing; seta
e
long, reaching to end of terminal segment. Claw
Gp
on UR equalling threequarters length of claw
Ga
. Seta
Sp
slightly shorter than claw
Gp
. Seta
Sa
equalling onequarter length of claw
Ga
. UR attachment with branches.
Male
Right palp of L5 finger-like, stronger than the left. Zenker organ with seven rows of chitinized rosettes. Hp with slender lobes
a
and
b
. Lobes
a
and
b
equally long.
Distribution
This species has been reported form the Nearctic, Oriental and Palaearctic regions (
Tressler 1959
;
Meisch 2000
;
Yu et al. 2010
). In
China
, this species is a common ostracod in lakes and has been reported from
Jiangsu
(
Yu et al. 2005
),
Yunnan
(
Yu et al. 2010
),
Guizhou
(
Kong et al. 2013
),
Beijing
(
Zhai and Zhao 2014
) and
Shanghai
(
Yao et al. 2016
).