Xestoleberis setouchiensis Okubo, 1979

Yoo, Hyunsu, Tanaka, Hayato, Tsukagoshi, Akira, Lee, Wonchoel & Karanovic, Ivana, 2019, Cytheroid ostracods (Crustacea) from South Korea, with description of a new species, Zoosystema 41 (22), pp. 419-441 : 436

Xestoleberis setouchiensis Okubo, 1979

( Figs 15 ; 16 )

Xestoleberis setouchiensis Okubo, 1979: 10-14 , pl.1, figs 2, 3. — Ozawa et al. 2004: 44, pl. 2 (14). — Sato & Kamiya 2007, figs 2 (5), 4 (5), 6 (5). — Ozawa 2010: 35, pl. 4 (20). — Ozawa & Domitsu 2010: 6, fig. 5 (22). — Tanaka et al. 2018: 130, figs 5, 7.

TYPE LOCALITY. — Intertidal zone of rocky shore, Inland Sea of Seto, Japan .

MATERIAL EXAMINED. — South Korea. 2 ♂, Intertidal-zone algae at Hujeong Beach, Hujeong 2-gil, Jukbyeon-myeon, Uljin-gun , Gyeongsangbuk-do. 37°04’12.3”N, 129°25’01.0”E, dissected on two slides, NIBRIV0000753788 , NIBRIV0000834111 , valves on the micropaleontological slides, NIBRIV0000753788 , NI- BRIV0000834111 . — 2 specimens kept in 2 ml vial in 99% ethanol, NIBRIV0000834112. — 2 specimens kept in 2 ml vial in 99% ethanol, MNHN .

BRIEF DESCRIPTION

Carapace ( Fig. 15 A-D)

L max = 374 Μm, L min = 370 Μm, L average = 372 Μm, H max = 182 Μm; H min = 178 Μm, H average = 180 Μm, N = 2 specimens. Elongated ellipsoidal in lateral view, inflated in dorsal view, slightly arched dorsal margin, almost straight ventral margin, smooth ornament with setae. Four adductor muscle scars in vertical row with 1 front scar.

Hemipenis ( Fig. 16 )

Same as in original description ( Okubo 1979). DISCUSSION

Figures

FIG. 15. — Xestoleberis setouchiensis Okubo, 1979: A-D, male NIBRIV0000753788: RV internal view (A), LV external view (B), RV external view (C), D, male NI- BRIV0000834111, RV internal view; E, F, male NIBRIV0000753788, normal pores on the surface of carapace (LV) (E), muscular scar (RV) (F). Abbreviations: see Material and methods. Scale bars: A, B, D, 100 μm; C, 200 μm; E, F, 50 μm.

FIG. 16. — Hemipenis of Xestoleberis setouchiensis Okubo, 1979, male NIBRIV0000753788. Scale bar: 100 μm.