We only track 13 animals that start with the letter X.
The X-Ray Tetra species is naturally found in the Amazon river’s coastal waters in South America. They are one of the most popular freshwater fish kept as a pet. AZ Animals will be covering many more X name animals soon.
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Alphabetical List of Animals That Start with X
Animals that Start with X
X-Ray Tetra
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Characiformes
- Family
- Characidae
- Genus
- Pristella
- Scientific Name
- Pristella maxillaris
Fun Fact: Yellow, black and white striped fins!
The X-Ray Tetra is a small species of schooling fish that is naturally found in the Amazon River’s coastal waters in South America. The X-Ray Tetra fish is also known as the Golden Pristella Tetra and the Water Goldfinch beacuse of the faint golden coloration of their translucent skin. Scientific Name and Classification The X-Ray […] Read More
Xeme (Sabine’s Gull)
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Charadriiformes
- Family
- Laridae
- Genus
- Xema
- Scientific Name
- Xema Sabini
Fun Fact: They follow after seals and whales to eat their scraps.
“They live in the high Arctic, and sightings are prized for birders.” Summary The Xeme (Sabine’s gull) is a small gull found in North America and Europe. It lives in the Arctic during the breeding season, migrates over oceans, and spends winters in more tropical waters. You often find this bird flying low over the […] Read More
Xenacanthus
- Kingdom
- Animalia
Fun Fact: Smal eel-like ancient shark
The Xenacanthus was a small freshwater shark that went extinct around 200 million years ago. They are a prehistoric genus of sharks. It went extinct at the end of the Triassic period, about 202 million years ago. They were widely distributed and lived from the Devonian to the end of the Triassic period. The name […] Read More
Xenoceratops
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Ceratopsidae
- Genus
- Xenoceratops
- Scientific Name
- Xenoceratops foremostensis
Fun Fact: The Xenoceratops is the oldest known horned dinosaur ever discovered in Canada.
The Xenoceratops is the oldest known horned dinosaur ever discovered in Canada. Xenoceratops was a two-ton herbivorous dinosaur that lived in present-day Canada during the Late Cretaceous about 80 million years ago. This makes it the oldest known large-bodied, horned dinosaur ever found in Canada. It is also one of the oldest in North America. […] Read More
Xenoposeidon
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amniota
- Order
- Dinosauria
- Family
- Euhelopodidae
- Genus
- Xenoposeidon
- Scientific Name
- Xenoposeidon proneneukos
Fun Fact: They may have acted as 'gardeners' to clear vegetation and disperse seeds through their feces.
“They may have acted as ‘gardeners’ to clear vegetation and disperse seeds through their feces.” Xenoposeidon Facts Xenoposeidon is a genus of extinct sauropod dinosaur that lived during the Early Cretaceous Period, around 130 million years ago.The only known fossil specimen of xenoposeidon is a single neck vertebra that was discovered in the United Kingdom […] Read More
Xenotarsosaurus
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Family
- Abelisauridae
- Genus
- Xenotarsosaurus
- Scientific Name
- Xenotarsosaurus bonapartei
Fun Fact: Xenotarsosaurus was one of the first fossils discovered in South America's Bajo Barreal formation.
With incomplete fossils, there is still much to learn about the Xenotarsosaurus. Xenotarsosaurus is a genus of dinosaurs that lived in Argentina during the Late Cretaceous Period (100.5–66 million years ago). We do not know a lot about this dinosaur because of the incomplete nature of the fossils. However, it was one of the first […] Read More
Xerus
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Sciuridae
- Genus
- Xerus
Fun Fact: Squirrel that lives in burrows in Africa.
A Xerus uses its fluffy tail as shade from the sunlight in Africa. The Xerus is commonly known as the African ground squirrel and is native to Africa. These animals are diurnal and mostly herbivorous. They are very social and live in burrows like their cousins the marmots and prairie dogs. 5 Amazing Facts Mature […] Read More
Xiaosaurus
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Genus
- Xiaosaurus
- Scientific Name
- Xiaosaurus dashanpensis
Fun Fact: Xiaosaurus was a small and lightweight dinosaur
Millions of years ago, Asia was home to various dinosaurs. The population of dinosaurs in this area was a mix of giant plant eaters and predators. The Xiaosaurus (pronounced as “chow-saw-rus”) was one of the most prominent herbivores on this continent. This ornithischian dinosaur lived about 169–163 million years ago during the Middle Jurassic Period. […] Read More
Xiaotingia
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Anchiornithidae
- Genus
- Xiaotingia
- Scientific Name
- Xiaotingia zhengi
Fun Fact: Xiaotingia used its feathery hindlimbs for short-distance flights
Birds are the closest thing to a dinosaur we can find around. While giant dinosaurs like the T. rex may not look anything like modern-day birds, smaller dinosaurs like the Xiaotingia are more similar to their descendants. Pronounced as “zhow-tin-gee-ah,” this genus of bird-like theropod dinosaur lived from the middle to late Jurassic Period in […] Read More
Xingu River Ray
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Chondrichthyes
- Order
- Myliobatiformes
- Family
- Potamotrygonidae
- Genus
- Potamotrygon
- Scientific Name
- Potamotrygon leopoldi
Fun Fact: The Xingu River ray is only found in the Xingu River in Brazil.
The Xingu River ray is a freshwater cartilaginous fish in the Potamotrygonidae family. The species is found in the Brazilian Xingu River Basin, a tributary of the Amazon River. It has a dentine spine with venom and is currently threatened in its natural habitat by environmental and human activities. It is also known as the […] Read More
Xiongguanlong
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amniota
- Order
- Dinosauria
- Family
- Saurischia
- Genus
- Xiongguanlong
- Scientific Name
- Xiongguanlong baimoensis
Fun Fact:
“Related to the T-Rex, but smaller, faster, and more agile.” Xiongguanlong Facts What we know of Xiongguanlong comes from a single specimen discovered in China.As a member of the tyrannosauroid family, it was related to the T-Rex and the velociraptor. They had long, narrow skulls with sharp, curved teeth that enabled them to slice up […] Read More
Xiphactinus
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Ichthyodectiformes
- Family
- Ichthyodectidae
- Genus
- Xiphactinus
- Scientific Name
- Xiphactinus audax
Fun Fact: Xiphactinus was the largest bony fish of the Cretaceous Period.
The Xiphactinus is an extinct genus of bony fish that lived during the Late Cretaceous. This voracious sea creature lived in the Western Interior Seaway and was a top predator at the time. It was one of the largest bony fish to have ever lived. This massive bony fish lived during the Cretaceous Period (112 […] Read More
Xoloitzcuintli
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Carnivora
- Family
- Canidae
- Genus
- Canis
- Scientific Name
- Canis lupus
Fun Fact: The Xoloitzcuintli is the national dog of Mexico
The Aztecs believed that this dog would guide its owner on the journey to the underworld. The Xoloitzcuintli (pronounced “show-low-eats-queen-tlee”), also known as the Mexican hairless or just the Xolo, is among the most ancient and venerable of all dog breeds in the world. Dating back some 3,000 years, the Xolo has a long and […] Read More

Animal by Letter Lists
- Animals that Start with A
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- Animals that Start with X
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- Animals that Start with Z
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