Xenacanthus
- Fish, shark (xenacanthid). Xenoceratops - Dinosaur, ceratopsian. Xenodens - Mosasaur. Xenohystrix - Mammal, porcupine. Xenokeryx - Mammal, palaeomerycid. Xenoposeidon - Dinosaur, sauropod. Xenorophus - Mammal, cetacean. Xenosmilus - Mammal, big cat. Xenotarsosaurus - Dinosaur, abelisaur? Xeradipterus - Lungfish. Xericeps - Pterosaur, azdarchid. Xianglong - Reptile (gliding lizard). Xiangornis - Bird. Xianshanosaurus - Dinosaur, titanosaur. Xianshou - Mammal. Xiaosaurus - Dinosaur, ornithischian. Xiaotingia - Dinosaur, archaeopterygid. Xibalbaonyx - Ground sloth. Xilousuchus - Rauisuchian, ctenosauriscid. Xingtianosaurus - Dinosaur, oviraptosaur. Xingxiulong - Dinosaur, sauropodomorph. Xinjiangovenator - Dinosaur, maniraptoran. Xinpusaurus - Thalattosaur. Xiongguanlong - Dinosaur, tyrannosaur. Xiphactinus - Fish. Xixianykus - Dinosaur, alvarezsaur. Xixiasaurus - Dinosaur, troodont. Xixiposaurus - Dinosaur, sauropodomorph. Xiyukannemeyeria - Dicynodont. Xiyunykus - Dinosaur, alvarezsaur. Xuanhanosaurus - Dinosaur, megalosaur. Xuanhuaceratops - Dinosaur, ceratopsian. Xunmenglong - Dinosaur, compsognathid. Xuwulong - Dinosaur, hadrosaur. |