V4O1R1T1I1C3E1L1L1A1
15 points
VORTICELLA is validvalid
a sessile protozoan of the genus Vorticella, which has a long contractile stalk and a ciliated body shaped like an inverted bell
a sessile protozoan of the genus Vorticella, which has a long contractile stalk and a ciliated body shaped like an inverted bell