Pseudomonilicaryon brachyproboscis nov. spec. after protargol impregnation. p – right side ciliary pattern of anterior body portion; q, r – left side ciliary pattern of anterior body portion. Asterisk marks the break in dorsal brush row 1; s – dorsolateral view of a proboscis with three staggered brush rows; t–w – variability of body shape and size as well as of nuclear apparatus; Drawn to scale. B1–3 – dorsal brush rows 1–3, CK – circumoral kinety, OB – oral bulge, PE – perioral kinety, SC – somatic cilia. Scale bars: 20 μm.