Paleontological Institute, Russian Academy of Science, Profsoyuznaya ul. 123, Moscow 117868, Russia

Abstract

The author presents the results of analysis of modular structure of post-Palaeozoic marine Bryozoa. Three main types of modular units and their variations were studied: elementary modul-zooid, cormidium and subcolony (clone). They reflect not only diversity of Bryozoa modular organisation but also integrity of their colonies. Morphologically the integrity is expressed in constant position of Bryozoa modular units during long periods of geological time.