Includes bibliographical references (pages 287-323) and index.
CONTENTS NOTE
Text of Note
Development of sponges from the class Calcarea Bowerbank, 1864 -- Development of sponges from the class Hexactinellida Schmidt, 1870 -- Development of sponges from the class Demospongiae Sollas, 1885 -- Development of Homoscleromorpha of the order Homosclerophorida Dendy, 1905 -- Typization of sponge development and its significance for phylogeny -- Comparative analysis of individual development in sponges -- Evolution and individual development of sponges : regularities and directions -- In place of conclusion : bauplan and phylotypic stage in Porifera.
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SUMMARY OR ABSTRACT
Text of Note
First and complete compilation of the events characterizing origin and evolution of Porifera and their ontogenesis.