'sloth-like claw'
Late Cretaceous, 94-89 million years ago
Dinosauria, Saurischia, Theropoda, Neotheropoda, Tetanurae, Avetheropoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Therizinosauroidea, Therizinosauridae
Kirkland and Wolfe (2001)