浙江长兴地区上二叠统原龙潭组的孢粉最早由欧阳舒(1962)进行了研究,并建立了华南晚二叠世早期的孢粉化石序列。宋平(1987)在前人工作的基础上,对长兴地区二叠系又进行了深入考察,于煤山新槐加善煤13井系统采集了孢粉样。笔者从中分析了24块, 经研究除三个样品外,其余样品孢粉含量均很丰富,共计72属162种(含11新种1新变种 1新联合种),建立了二个孢粉组合,为堰桥组的建立提供了新的化石依据。 The sporopollen of the Upper Permian Longtan Formation in Changxing, Zhejiang Province was first studied by Ouyang Shu (1962) and the sequence of sporopollen fossils in the early Late Permian of South China was established. On the basis of previous work, Song Ping (1987) conducted an in-depth investigation of the Permian in Changxing area and collected spore-dust samples from the system of Xinhuai Jiaoshan coal 13 well. The author analyzed 24 pieces from it, except for three samples, all the other samples had abundant sporo-pollen content, a total of 162 genera and 72 species (including 11 new species and 1 new variety and 1 new species), and established two sporo-pollen assemblages , Provided a new fossil basis for the establishment of weir bridge group.