2014年10月20日是张文堂先生谢世一周年纪念日,我们怀着崇敬的心情缅怀这位卓越的地质古生物学家。为此,本刊编辑部编辑出版本期纪念文集。张文堂先生毕生从事地质古生物研究,在祖国的热土上辛勤耕耘60余载,足迹遍布大江南北、西域高原,在早古生代地层、节肢动物(特别是 October 20, 2014 is the first anniversary of the birth of Mr. Zhang Wentang. With a reverence, we cherish the memory of this remarkable geologist and paleontologist. To this end, the editorial department of this edition edited and published the memorial collection. Mr. Zhang Wentang engaged in the study of geological and paleontology for life, and worked hard for more than 60 years on the hot land of the motherland. He traveled all over the major rivers in the north and south and the western plateau. During the Paleozoic strata, arthropods (especially