恐龙英文介绍.ppt

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dinosaur builder
Dinosaur classification
Collectively, dinosaurs as a clade are divided into two primary branches:
Saurischia(蜥臀目)
Ornithischia(鸟臀目).
tyrannosaurus(霸王龙;暴龙)
"king" in Latin
one of the largest land carnivores of all time
metres (40 ft) long
4 metres (13 ft) tall
Giraffatitan brancai
Giraffatitan brancai(布氏长颈巨龙)
The tallest and heaviest dinosaur
This mount is 12 meters (39 ft) tall
meters (74 ft) long
It weighed between 30000 and 60000 kilograms (70000 and 130000 lb).
Anchiornis huxleyi(赫氏近鸟龙)
A. huxleyi is currently the smallest non-avialan dinosaur described from an adult specimen, with an estimated weight of 110 grams.
the smallest
known dinosaurs
Sauropelta(蜥结龙)
medium-sized
5 meters ( ft) long
long tail
慈母龙
戟龙
角龙
禄丰龙
青岛龙
异齿龙