Usage examples (10)

• Turbellaria, which he had found to be segmentally arranged in certain
• In Biology of the Turbellaria, edited by Nathan W. Riser and M. Patricia Morse (1974); UJE; WWIAJ (1928, 1938); WWWIA 4; Yost, Edna.
• Not content with establishing the unity of plan of Annelids, Arthropods, and Vertebrates, Semper tries to link on the Annelids, as the most primitive group of the three, to the...
• His speculations on this matter may be summed up somewhat as follows: -- The common ancestor of all segmented animals is a segmented worm-like form, not quite like any existing...