怪异恐龙目录 (2009)
Douban
Bizarre Dinosaurs
director:
Jenny Kubo
playwright:
Eleanor Grant
actor:
Jack Horner
/
Paul Sereno
/
Gregory Erickson
/
Lawrence Witmer
/
Robert Bakker
…
genre:
Documentary
region:
United States
language:
English
length: 48m
release date: 2009-10-11
IMDb: tt1570382
Bizarre Dinosaurs
Overview
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.