Diameter of the mouth ( elliptical, two teeth (9x5 µm) ): 8 x 20 µm
Dorsal scales: no scales, but closed cuticular layer
Ventral scales: broad hypostomium with transverse furrow (38-42 µm); two rows of cilia; additionally two ciliary tufts on head (median), one pair of ciliary tufts laterally on head
Oecology: Psammon (sandy ground)
Similar species: Similar to Ichthydium, but completely covered with structureless cuticle (in Ichthydium the cuticle is usually finely structured); well demarcated by complex structure of mouth.