推荐回答（3个）
动物分类
原生动物门
直泳虫门
菱形虫门
多孔动物门（海绵）
扁盘动物门
刺胞动物门
栉水母动物门
原口动物超门
鳃曳动物门
内肛动物门
无腔动物门
扁形动物门（扁虫）
纽形动物门（纽虫）
拟体腔动物
线虫动物门（蛔虫）
线形动物门
轮形动物门（轮虫）
棘头动物门
动吻动物门
真体腔动物
腹毛动物门
颚胃动物门
微颚动物门
铠甲动物门
环口动物门
软体动物门（软体动物）
星虫动物门（星虫）
螠虫动物门
须腕动物门
舌形动物门
环节动物门（节虫）
缓步动物门（水熊虫）
有爪动物门
节肢动物门（昆虫等）
触手动物
帚虫动物门
外肛动物门（苔藓虫）
腕足动物门
后口动物超门
棘皮动物门
毛颚动物门（箭虫）
半索动物门
脊索动物门（脊椎动物等）
很多都不记得了，你直接去百度百科里面搜索一下，关键词：动物界，里面会有介绍，有38个门
网址是：http://baike.baidu.com/view/89926.html?wtp=tt
单细胞动物—原生动物门；
低等的后生动物—中生动物门；
辐射对称的动物—腔肠动物门；
无体腔动物—扁形动物门、纽形动物门、颚胃动物门；
假体腔动物—线虫门、轮虫门、腹毛动物门、动吻动物门、线形虫门、棘头动物门、内腔动物门；
无体节的真体腔动物—软件动物门；
分节动物—环节动物门、（虫益）虫门、星虫门、鳃曳动物门；
节肢动物—节肢动物门、有爪动物门、缓步动物门、五气门动；
触手冠动物—腕足动物门、外肛动物门、帚虫门；
无脊索的后口动物—棘皮动物门、毛颚动物门、须腕动物门、半索动物门；
最高的—脊索动物门。
（引自《动物的类群》，人民教育出版社）
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