古生物学是一门发现的学科,每年都有大量新的古生物属种被命名。就在刚刚过去的夏天,古生物学家就命名了两种发现于加拿大艾伯塔省的奇特角龙类。到底这两种角龙有多么奇特,它们之间又存在着怎样的联系和区别,让我们一探究竟。双侠御敌距今7880万年前,正是中生代最后一个纪元——白垩纪的晚期,地球的统治者是大名鼎鼎的恐龙。镜头回溯到加拿大的艾伯塔省,一只浑身长满羽毛的伤齿龙正 Paleontology is a discovered discipline, each year a large number of new paleontological species are named. In the summer just past, paleontologists have named two of the odd-named horned dinosaurs found in Alberta, Canada. In the end these two kinds of horned dinosaurs strange how, there is the kind of contact between them and the difference, let us find out. Double knight enemy 78,800,000 years ago, it is the last era of the Mesozoic - the late Cretaceous, the ruler of the Earth is the famous dinosaur. The camera goes back to Alberta, Canada, where a dragon with a feathered hairspray