The number of transverse striations from peristomial area to aboral ciliary wreath was 33-36, from aboral ciliary wreath (ACW) to scopula, 15-18. The adstomal end of peniculus 3 is rather dispersed.

• 细胞表面具横纹 ,蛋白银制片后可见从口围唇到反口纤毛环之间有 33- 36条纹 ,从反口纤毛环到帚胚有条纹 15 - 18条 ; 第三咽膜 (P3)由三列毛基列组成 ,最内侧一列长度仅是另外两列的一半 ,并显著分离 ;