Paradoxostoma setoense Schornikov, 1975

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 : 42

Paradoxostoma setoense Schornikov, 1975 ( Fig. 4)

Synonymy. Paradoxostoma setoensis - Schornikov (1975): p. 27, Fig. 14

Paradoxostoma setoense Schornikov-Okubo (1977) : p. 114, Figs. 2c, d, l; 11a-d.

Material Examined. One male dissected on one slide ( NIBRIV0000753785 ), shell on the micropaleontological slide from Gajin beach, Goseong-gun, Gangwon-do, Korea. 38°32 ʹ 37.2 ʺ N, 128°24 ʹ 20.9 ʺ E, 05 Oct. 2015, collected by Akira Tsukagoshi, Hayato Tanaka and Hyunsu Yoo.

Description. Carapace elliptical in lateral view, with greatest H situated behind the middle. Anterior margin narrow, posterior margin slightly cut off from bellow, forming a rounded angle at the level of upper third of shell. Inner calcified lamella equally wide on both ends. Line of concrescence with few sparse marginal pore canals, longer on the posterior than on the anterior end. Surface of the shell smooth ( Fig. 4A). Hemipenis with foot-like distal process, with anterior part beak-like, and posterior part sharply ending.