Description of Difflugia labiosa
provided by BioPedia
The test is brown, ovoid with the apertural end truncate, and is composed of assorted quartz particles and diatom frustules. The aperture is surrounded by a shallow undulating lip, which may appear lobed, whilst the neck of the aperture is often recessed into the body of the shell. Length of shell 150-275 microns, breadth of shell 118-160 microns, diameter of aperture 52-65 microns.
