Cyclopyxis aplanata ( Penard, 1911 ) Deflandre, 1929

Chae, Kyu-Seok, Kim, Kang-San, Jung, Jongwoo & Min, Gi-Sik, 2023, Unrecorded species of Korean protozoans discovered through the project of ‘ Discovery of Korean Indigenous Species’ III, Journal of Species Research 12 (4), pp. 355-361 : 356-357

3. Cyclopyxis aplanata ( Penard, 1911) Deflandre, 1929

( Fig. 1C ) 납ŵǭȓȒNj (ṵÿ)

Centropyxis arcelloides Penard, 1911

Material examined. Ganghwa-gun (37°45′36″N, 126°23′ 08″E), Incheon, South Korea; 27 September 2019.

Deposition. NIBRPR0000110245.

World distribution. Cosmopolitan.

Diagnosis. Shell large, flattened, margin between dorsal and ventral sides rounded, dorsal side arcuately curved. The mouth is central, rounded, the contour slightly irregular. Shell diameter 148 μm; mouth diameter 48 μm.

Remarks. Shell diameter of this specimen is shorter than previous descriptions.

Figures

Fig. 1. Photomicrographs of Amoebozoa (A-F). A, Centropyxis aculeata minima; B, C. cassis spinifera; C, C. aplanata; D, Difflugia am- phoralis; E, D. bicruris; F, D. curvicaulis. Scale bars: 50 μm.