Contents: Sorauf, J. E.: The function of dissepiments and marginaria in the Rugosa (Cnidaria, Zoantharia); Lee, D.-J., Jun, Y.-H., Bae, B.-Y. & Elias, R. J.: Axial increase in some early tabulate corals; Porter, D. R., Elias, R. J. & Young, G. A.: Biometric analysis of corallite size in the colonial rugosan Crenulites; Hladil, J.: The earliest growth stages of Amphipora; Plusquelec, Y., Tourneur, F. & Le Hriss, A.: Structure and microstructure of Pachypora lamellicornis Lindstrm, 1873, a tabulate coral from the Silurian of Gotland, Sweden; Nothdurft, L. D. & Web, G. E.: "Shingle" microstructure in scleractinian corals: a possible analogue for lamellar and microlamellar microstructure in Palaeozoic tabulate corals; Sorauf, J. E. & Buster, N. A.: Microarchitectural change in density bands of the scleractinian Montastraea faveolata, Looe Key Reef, Florida Keys, USA: a preliminary report; Perejn, A. & Moreno-Eiris, E.: Ovetian cryptic archaeocyaths, lower Cambrian from Las Ermitas (Crdoba, Spain); May, A.: Lower Devonian stromatoporoids of the Sierra Morena (Southern Spain) and their palaeogeographic affinities; Mistiaen, B.: An older Devonian stromatoporoid from the Ardennes, St. Joseph Formation, Emsian (Vireux, France); Mndez-Bedia, I. & Mistiaen, B.: Stromatoporoids from the latest reefal episode in the Devonian (late Frasnian) of the Cantabrian Mountains (NW Spain).