A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina Author Coria, R. A. Author Currie, P. J. text Geodiversitas 2006 28 1 71 118 journal article 10.5281/zenodo.5376792 1638-9395 5376792 GIGANOTOSAURINAE n. subfam. TYPE GENUS . — Giganotosaurus Coria & Salgado, 1995 . DIAGNOSIS. — Carcharodontosaurids linked by the derived femur with a weak fourth trochanter, and a shallow, broad extensor groove on the distal end.