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. CambrianOrdovician 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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