The results of the symposium presented in this volume reflect the current state of knowledge of Mesozoic fishes. Evaluation of major fish groups such as Mesozoic chondrichthyans, halecostomes and sarcopterygians and of the Mesozoic fossil record of continents such as North America, Asia, South America and Africa are the central issue. In addition, new information on chondrichthyans, actinopterygians and sarcopterygians are presented. The new findings and the evaluations of the present state of knowledge of Mesozoic fishes described in 33 papers are an exciting invitation to further research.