LEPTOCYTHERIDAE Hanai, 1957

Smith, Robin James, Lee, Jimin & Chang, Cheon Young, 2014, Nonmarine Ostracoda (Crustacea) from Jeju Island, South Korea, including descriptions of two new species, Journal of Natural History 49 (1), pp. 37-76 : 66

Family LEPTOCYTHERIDAE Hanai, 1957

Subfamily LEPTOCYTHERINAE Hanai, 1957 Genus Ishizakiella McKenzie and Sudijono, 1981 Ishizakiella miurensis ( Hanai, 1957)

( Figure 10A, B )

Tanella miurensis Hanai, 1957

Tanella pacifica Hanai, 1957 (postscript)

Ishizakiella pacifica ( Hanai, 1957) nov. comb. Tsukagoshi 1992

Remarks

Ishizakiella miurensis has previously been reported from brackish habitats along the Pacific and Sea of Japan sides of the island of Honshu, and the western and eastern sides of the island of Kyushu, Japan ( Tsukagoshi 1994; Yamaguchi 2000). The specimens from Jeju Island are the first outside of Japan, but occur less than 300 km west of the westernmost locality in Kyushu, and thus are not unexpected. On Jeju Island it was found at two localities (localities 9 and 19), both in the run-off of springs at the coast in brackish water.

Figures

Figure 10. (A, B) Ishizakiella miurensis: (A) external view of male right valve (DB40049); (B) internal view of male left valve (DB40049). (C, D) Limnocythere sp.: (C) right view of female carapace (DB40050); (D) dorsal view of female carapace, anterior to right (DB40050). (E–H) Vestalenula cylindrica: (E) internal view of female left valve (DB40051); (F) internal view of female right valve (DB40051); (G) ventral view of female right valve (DB40051); (H) dorsal view of female carapace, anterior to right (DB40052). Scale bar = 270 µm for A, B; 137 for C, D; 183 µm for E–H.