Trigonosaurus
- 三角区龙属（三角区龙是白垩纪晚期的泰坦巨龙类恐龙，化石发现于巴西的米纳斯三角区。模式种是普氏三角区龙，已发现两个标本，都主要为脊椎骨。化石在被正式命名前被俗称为“佩德罗波利斯的巨龙类”）
Trigonosaurus
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abstract:
Trigonosaurus is a genus of titanosaurian sauropod dinosaur from the Late Cretaceous Period of what is now Brazil. The type species, Trigonosaurus pricei, was first described by Campos, Kellner, Bertini, and Santucci in 2005.
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