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块椎类

塊椎類
化石时期:330–120 Ma
石炭紀密西西比世早白垩世
(后裔滑体亚纲生存至今)
Trimerorhachis insignis的头骨
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
目: 离片椎目 Temnospondyli
演化支 真離片椎類 Eutemnospondyli
演化支 塊椎類 Rhachitomi
Watson, 1919
下级分类
见正文

块椎类Rhachitomi)是一类离片椎目两栖动物,得名于其尚未愈合的间椎体与侧椎体,包括大部分的离片椎目动物,如双顶螈科(Dissorophidae),引螈科(Eryopidae),先驱螈科(Archegosauridae)等,以及全椎类和现存的滑体亚纲青蛙蝾螈等) 下图为该演化支下级分类:

离片椎类

饕餮螈科Edopidae

真离片椎类

树匐螈科Dendrerpetontidae

块椎类

双椎螈科Dvinosauridae

怪螈科 Zatrachydidae

双顶螈科Dissorophidae

引螈型类

引螈科Eryopidae

全椎型类

坚胸螈属Sclerothorax

Glanochthon属

阿其哥螈属Archegosaurus

南方螈属Australerpeton

全椎亚目

莱因鳄螈科Rhinesuchidae

立德克螈属Lydekkerina

巨头螈类Capitosauria

长吻迷齿螈类Trematosauria

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块椎类
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