Ishizakiella miurensis ( Hanai, 1957 )

Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2017, One new species and three records of cytheroid ostracods (Crustacea, Ostracoda) from Korea, Journal of Species Research 6, pp. 38-50 : 43-44

Ishizakiella miurensis ( Hanai, 1957) ( Fig. 8)

Synonymy. Tanella miurensis - Hanai (1957): p. 462, Pl. 9, Figs. 1 a-e, Text Figs. 2I, J

Ishizakiella miurensis (Hanai) - Tsukagoshi (1994): p. 303, Figs. 3, 7B, 8 A-I, 9, 12B; Yamaguchi (2000): Fig. 2A, B; Yamaguchi (2003): Figs. 2E, F; 3C.

Material Examined. Two males dissected on slides ( NIBRIV0000753784 , NIBRIV0000811375 ), shell of both males on SEM stub ; two females dissected on slides ( NIBRIV0000811376 , NIBRIV0000811378 ), shell of both females on SEM slide, one whole male and one whole female mounted on SEM slide. Approximately 30 specimens in alcohol ( NIBRIV0000811379 ), from Gungchon beach, Samcheok-si, Gangwon-do, Korea, 37°19 ʹ 27 ʺ N, 129°16 ʹ 04.14 ʺ E, 03 Oct. 2015, collected by Akira Tsukagoshi, Hayato Tanaka and Hyunsu Yoo.

Description. Carapace almost rectangular in lateral view, with sexual dimorphism in shape: females with wider posterior end ( Fig. 8B, D), while male narrower ( Fig. 8A, C). Postero-dorsal margin in males more angular than in females, and posterior margin in females cut off in the lower part. Anterior margin sinusoid. Surface of the shell ornamented with pits and ridges. Hemipenis with sharply pointed distal lobe with serrated middle part of the ejaculatory duct ( Fig. 8E, F).