O. aculeatus Brunet, 1973 1973 Figs 20-22 20, live squeezed animal (free-hand drawing). 21, proboscis hooks of two specimens ; 22, cuticular copulatory organ, from squeezed animals.
from Brunet M (1973) Turbellaries Calyptorhynchques de la region Marseillaise. Les familles des Placorhynchidae et Gnathorhynchidae. Bull Soc Zool France 98(1): 121-135
