G. krogeni Karling, 1947 1947 Fig. 17 A. creeping animal, B. Organisation scheme, C. Proboscis hooks. All from squeezed spoecimens. A & B free-hand, C. with camera lucida, magn. ±1270
from Karling TG (1947) Studien ueber Kalyptorhynchien (Turbellaria). I. Die Familien Placorhynchidae und Gnathorhynchidae. Acta zool fenn 50:1-64
