gorgonopsian Inostrancevia：南非二叠纪一种剑齿顶级掠食者的化石

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巨大的gorgonopsian Inostrancevia带着它的双齿猎物，吓跑了小得多的非洲物种Cyonosaurus。Credit: Art by Matt Celeskey.神秘的地球uux.c