Parauronema virginianum Thompson, 1967

Chae, Kyu-Seok, Jung, Jongwoo, Lee, Won Je & Min, Gi-Sik, 2022, Unrecorded species of Korean protozoans discovered through the project of ‘ Discovery of Korean Indigenous Species’ II, Journal of Species Research 11 (4), pp. 335-342 : 340

15. Parauronema virginianum Thompson, 1967

oiűûụ꼬ƞḑAEệ (ṵÿ) ( Fig. 4C, D ) Parauronema virginianum Thompson, 1967 .

Material examined. Chungcheongnam-do (salinity 30 PSU, 36°59′16.4″N, 126°18′47.7″E), South Korea ; 23 February 2016.

Deposition. NIBRPR0000107972.

World distribution. USA (Virginia), Northern China, and South Korea.

Diagnosis. Cells are 23-30 μm long and elongate with a rounded posterior end and a bluntly pointed anterior end. The area of the buccal cavity is somewhat flattened. The buccal cavity occupies the central part of the anterior ventral surface and contains a tetrahymenal buccal apparatus. The undulating membrane occupies a position along the right margin of the buccal cavity and is about 7 μm long. Single contractile vacuole.

Figures

Fig. 4. Photomicrographs of Ciliophora (A-H). A, B, ventral (A) and dorsal (B) view of Monomicrocaryon saprobia after protargol impregnation; C, D, general appearance of Parauronema virginianum. E, F, general appearance of Uronema nigricans; G, H, general appearance of Cyclidium varibonneti; BF, buccal field; CC, caudal cilium. Scale bars: A, B=50μm; C-H=10μm.