【摘要】 虫动物系动物界的一个小门，属真体腔原口动物。海生，世界种约１４０种，我国黄渤海目前发现４种，分隶于２目，２科，４属，其中有一新种－青岛池体Ｉｋｅｄｏｓｍａ？ｑｉｎｇｄａｏｅｎｓｅｓｐ．ｎｏｖ。现将该４种的分类、分布和生态特点记述如下：更多还原

【Abstract】 There are about 140 species of Echiura in the world. Four species belonging to 4 genera. 2 families and 2 orders were found and indentified from the Huallghai Sea and the Bobal Sea. Of these. one species, viz. Ikedosoma qingdaoense, is new to science. The list of these species is as follows: 1. Urechis unicinctus (von Drasche, 1881 ) 2. Arhynchite rugosum Chen et Yeh, 1958 3. Listriolobus brevirostris Chen et Yeh, 1958 4. Ikedosoma qingdaoense sp. nov. Li, Wang et Zhou The classification, distribution and ecology of the species are described.更多还原