Contents

Paleontological Journal

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Vol. 56, No. 8, 2022

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Transformation of the Ancestral Body Plan and Axial Growth in Echinoderms: Ontogenetic and Paleontological Data

V. V. Isaeva and S. V. Rozhnov p. 863  abstract

The Origin and Main Trends in the Evolution of Bilaterally Symmetrical Animals

V. V. Malakhov and M. M. Gantsevich p. 887  abstract

Origin of Echinodermata

O. V. Ezhova and V. V. Malakhov p. 938  abstract

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