Bicosoeca epiphytica Hilliard, 1971. Bicosoeca cells with a body 3.5-6.5 x 2.5-4.5 microns long, lorica 8-10x3.5-5 microns The lorica of this species has an undulating surface. The lorica has about 8-10 ridges and is rounded at the posterior. It tapers slightly at the anterior, before a flared aperture. The lorica has a short pedicel, which is 0.5-1 times the lorica length, and terminates with a distal button as is characteristic in this genus.
