Single contractile vacuole situated near ventral wall of infundibulum.28-33 pellicular striations from peristome to aboral trochal band and5-8 from aboral trochal band to scopula .

单一伸缩泡，位于前庭腹面。口 围缘到反口 纤 毛 环之间的银线数约28-33列，反口纤毛环至帚胚之间约5-8列。

Pellicle clearly striated with ca40-50 striations from scopula to aboral trochal band and ca75-95 from aboral trochal band to oral area .

表膜具有明显的条纹，口 围 缘到反口纤毛环之间约有 75-95列横向 环纹，反口纤毛环到帚胚之间约有40-50列环纹。