Fifty years have elapsed,since the founding in 1929 of the Pa(?)aeontological So-ciety of China.With the aim to celebrate the 50th anniversary of the Society,toreview the research fruits of palaeontology gained in the past fifty years,especiallyfollowing the founding of new China,and to organize the nation-wide palaeonto-logists for realizing the modernization of the country,the Palaeontological Society ofChina held from 16th—24th April in Suzhou the 3rd national congress and the 12thconvention simultaneously.About 287 voting representatives and 216 nonvoting re-