Rhynchoscolex simplex Leidy, 1851

(Fig. 5 M, 6 D)

Localities. Loc. 1, 24.

Known distribution. Europe, Russia (Luther 1960), Japan, USA, Brazil (Rixen 1961).

Material. Two individuals studied alive.

Description and remarks. The studied individuals correspond well to the description (Leidy 1851) and to the illustration in Luther (1960).