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- Therizinosauroidea
- Alxasaurus elesitaiensis
- Therizinosauridae
- Enigmosaurus mongoliensis
- Erlikosaurus andrewsi
- Nanshiungosaurus bohlini
- Nanshiungosaurus brevispinus *
- Segnosaurus galbinensis *
- Segnosaurus zheziangensis
- Therizinosaurus cheloniformis
Revised: February 23, 1998; New: January 1, 1996