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Remane, 1934

Body is short and slender with seven segments.
Prostomium with two transverse restrictions giving it a tripartite appearance. Prostomium with a surface pattern of irregularly granulated fields and granule-free areas. Trunk with transversely orientated granulated and non-granulated stripes. Lateral areas and especially pygidial appendages highly transparent. Ventral ciliation consisting of stiff adjoined cilia in a characteristic pattern, single cilia or pectinate rows. Species-specific pattern of ciliary fields on ventral surface of prostomium and pygidium; numerous single sensory cilia all over the body.
Pygidium with two, slightly laterally directed, relatively short, toe-like projections on each side, of which the outer ones are distinctly shorter.

Length about 440 µm; width about 80 µm.


In the zone of damp sand at the level of the middle and upper slope of tideless beaches; in deeper layers of temporarily damp sand at low tide in the upper region of sheltered tidal beach slopes.

North Sea (Sylt, Amrum), Baltic, Irish Sea (North Wales), West Greenland, Mediterranean.

Diurodrilus subterraneus