'scythe lizard'
Late Cretaceous, 85-70 million years ago
Dinosauria, Saurischia, Theropoda, Neotheropoda, Tetanurae, Avetheropoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Therizinosauroidea, Therizinosauridae
Maleev (1915)