7–69. (英文)Fastovsky DE, Weishampel DB. Theropoda I:Nature red in tooth and claw. Fastovsky DE, Weishampel DB (编). The Evolution and Extinction of the Dinosaurs
1997, 53: 11–70 [2021-01-14]. (原始内容存档于2014-08-08). Edwards, D. D. Fossil claw unearths a new family tree. Science News. 1986, 130 (23): 356. JSTOR 3970849