侏罗纪晚期和白垩纪早期任一种食肉恐龙，形似霸王龙但体型较小。
Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.
收藏矿物、古生物学、中泥盆纪、二叠纪到早期的侏罗纪和白恶纪。
Mineral , palaeontology , middle devonian , permian to early jurassic , and cretaceous.
收藏矿物、古生物学、中泥盆纪、二叠纪到早期的侏罗纪和白恶纪。
Mineral , palaeontology , middle devonian , permian to early jurassic , and cretaceous.
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