Contents
Paleonotological Journal

Vol. 36, Suppl. 6, 2002

The supplement is published only in English by MAIK “Nauka / Interperiodica” (Russia).
Paleontological Journal ISSN 0031-0301.

"Morphogenesis and Evolution of Crinoids and Other Pelmatozoan Echinoderms in the Early Paleozoic"
S. V. Rozhnov

INTRODUCTION p. 525  abstract

Part 1. Comparative Morphology and Homology of Major Skeletal Structures in Crinoids
and Similar Early Paleozoic Echinoderms p. 526

Section 1. Homology of Circlets and Thecal Plates in Crinoids
and Similar Pelmatozoan Groups p. 527

Section 2. Origin and Homologies of the Anal Structures in the Skeleton
of Pelmatozoan Echinoderms p. 556

Section 3. Origin and Homologies of the Stem in Pelmatozoan Echinoderms p. 561

Section 4. Origin and Homologies of the Arms in Crinoids p. 581

Part 2. Symmetry and Asymmetry in the Morphology and Morphogenesis
of Pelmatozoan Echinoderms p. 606

Section 1. Symmetry in the Structure and Morphogenesis
of Pelmatozoan Echinoderms p. 607

Section 2. Asymmetry in the Structure and Morphogenesis
of Pelmatozoan Echinoderms p. 618

Section 3. The Morphogenetic Basis for the Distortion of the Theca and Stem
in Pelmatozoan Echinoderms p. 629

Part 3. Origin and Development of Higher Taxa of Pelmatozoan Echinoderms
in the Early Paleozoic p. 641

Section 1. Body Plan, Morphogenesis, and Time of Appearance of Higher Taxa
in the Fossil Record p. 642

Section 2. Cambrian–Ordovician Level in the Development of Echinodermata p. 647

Section 3. Development of the Echinoderm Body Plan p. 660

CONCLUSIONS p. 665

ACKNOWLEDGMENTS p. 666

REFERENCES p. 666

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