Description of Steenstrupiella intumescens
provided by BioPedia
Length 172-238 microns, diameter at mouth 34-37 microns, diameter of body in the middle 17-21 microns, length of fins 77-90 microns. The lorica is long and narrow, with a flaring mouth and a rounded aboral end. Four striae or fins extend from about the middle to the aboral end.