body slender and narrow, elongated
length 300–550 µm, width 45–95 µm
head trilobed, distinct cephalion
pharynx cylindrical
distinct hypostomium
up to three pairs of ciliary tufts
dorsally about 13–25 longitudinal rows of transparent scales with a pentagonal or hexagonal shape
scales with a distal V-shaped incision and a short spine arising from the center
dorsal scales at posterior end smaller, but same shape as in mid-body
toes about 60–110 µm long, divided in 15–22 hollow rings
toes often shortly spined laterally on ring furrows
base of toes with thickened, strongly spined base
posterior invagination between toes strongly deepened