一些研究根据这些化石宣称恐龙起源于南美洲,但是显然,基于如此有限证据的生物地理学研究的误差是很大的,个人认为在目前的化石和地质证据下意义不大。而且,演化上更加基干的恐龙形态类物种(Non-dinosaurian Dinosauomorpha)具有全球性的分布,三叠纪的盘古大陆也允许陆生生物自由地迁徙。所以,恐龙起源于何处是一个很难回答...
On Staurikosaums pricei , an early saurischian dinosaur from the Triassic of Brazil, with notes on the Herrerasauridae and Poposauridae OnStaurikosaums pricei, an early saurischian dinosaur from the Triassic of Brazil, with notes on the Herrerasauridae and Poposauridae Journal Paläontolog...
1977. On Staurikosaurus pricei, an early saurischian dinosaur from the Triassic of Brazil, with notes on the Herrerasauri- dae and Poposauridae. Pala¨ ontologische Zeitschrift 51:234- 245.GALTON PM. 1977. Staurikosaurus pricei, an early sauris- chian dinosaur from the Triassic of Brazil,...