Faunal distribution is generally thought to be a result of the interaction of various related biological and environmental factors. 生物群的地理分布受各种生物和环境因素的影响，对于不同地史时期以及不同的生物类型，控制生物群分布的主导因素也是不同的。
According to experts' judgment, a large quantity of dinosaurs fossils and other species' fossils are still buried within the dinosaur fossil group distribution area. 据专家判断，在恐龙化石群分布区还埋藏有大量恐龙骨骼化石和其它物种化石。
