怪异恐龙目录（2009）

豆瓣评分

6.5

导演: Jenny Kubo
主演: Jack Horner / Paul Sereno / Gregory Erickson / Lawrence Witmer / Robert Bakker / Kristi Curry Rogers / Mark Norell / Phillip Manning
类型: 纪录片
国家 / 地区: 美国
语言: 英语
标签: 纪录片
上映日期: 2009-10-11(美国)
片长: 48分钟

豆瓣评分

6.5

怪异恐龙目录的简介…

　　As dinosaurs grew into the behemoths of the Cretaceous period they evolved many extraordinary but apparently useless features including spikes, sails horns, crests and the tiny "arms" of tyrannosaurs. The program reviews these unusual features and discusses theories of why they exist.