Hadzi, J. The evolution of the Metazoa / J. Hadzi - New York : Macmillan, 1963 - xii, 499 p. : ill. ; 23 cm. - International series of monographs on pure and applied biology. Division: Zoology ; v. 16 . A Pergamon Press book Bibliography: p. 467-482 Subjects--Topical Terms: Metazoa--EvolutionMetazoa--Anatomy Dewey Class. No.: 593.5