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Author: WikiMatrix
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English[en]
The only known skeleton (specimen number MACN-N 15) was discovered in February 1984 by Guillermo Rougier during an expedition led by the famous Argentine paleontologist José Bonaparte.
Finnish[fi]
Ainoan tunnetun fossiilin (MACN-N 15) löysi Guillermo Rougier Argentiinasta vuonna 1984 tutkismusretkellä, jota johti José Bonaparte.