Woodworth, W. M. (1891). Contributions to the morphology of the Turbellaria. I. On the structure of Phagocata gracilis, Leidy. Bull Mus Comp Zool Harvard, 21: 1-42
239485
Woodworth, W. M.
1891
Contributions to the morphology of the Turbellaria. I. On the structure of Phagocata gracilis, Leidy.