Dinosaurs A-Z

Welcome to Dinosaurs A-Z! Here is a list of my favorite dinosaurs each starting with a different letter of the alphabet. I hope you enjoy these fun facts! The words that are in the Dino-Dictionary on the Home Page are underlined and italicized.  

 

If you have any questions or comments about this page, you can always email me by clicking the link in the top left corner. Also, you can go to the Let's Chat tab in the bottom right corner of this page and chat with me! Thanks, and enjoy!

A

Name: Ankylosaurus

Pronunciation: Ain-kee-low-SORE-us*; Ain-KIE-low-SORE-us

Diet: Herbivorous

Weapons and Defenses: Bony Club on Tail, Armor on Head, Back, Legs, Tail, and Eyelids

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 5.6 feet/20.5 feet/4 tons

Meaning of Name: Fused Lizard

Pelvis Classification: Ornithischia

Did You Know? The Ankylosaurus' underside was unprotected, so the only way for a predator to eat it was to flip it over.

*I use this pronunciation. 

B

Name: Brachiosaurus

Pronunciation: Brack-ee-oh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Thumb Claw, Massive Weight and Size, Whip-like Tail, Hiding Underwater, Lived in Herd

Lived: Late Jurassic Period to Early Cretaceous Period 

Average Height/Length/Weight: 40 feet/89 feet/62 tons

Meaning of Name: Arm Lizard

Pelvis Classification: Saurischia

Did You Know? The Brachiosaurus had a crest on top of its head between its eyes. It's nostrils were located there. That's why it could hide underwater while keeping its crest above the surface and still breathe!

C

Name: Corythosaurus

Pronunciation: Core-ith-oh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Hooting Sounds, Running, Swimming, Lived in Herd

Lived: Late Cretaceous Period 

Height/Length/Weight: 6.6 feet/31.5 feet/5 tons

Meaning of Name: Helmet Lizard

Pelvis Classification: Ornithischia

Did You Know? The bony crest on the top of the Corythosaurus' head had air passages inside it. The Corythosaurus breathes in and the air moves around in the passages, and then it pushes the air out through its nostrils and a hooting sound is created. These sounds could be used to signal and alarm other members of the herd that a predator is coming.

D

Name: Diplodocus

Pronunciation: Dih-PLAW-duh-cus*; Dih-plaw-DOE-cus

Diet: Herbivorous

Weapons and Defenses: Thumb Claw, Massive Weight and Size, Whip-like Tail, Lived in Herd 

Lived: Late Jurassic Period 

Average Height/Length/Weight: 16 feet/90 feet/16.5 tons

Meaning of Name: Double-Beamed

Pelvis Classification: Saurischia

Did You Know? The Diplodocus' fore legs were shorter than its hind legs. This caused it to lean towards the ground, which is why it's believed to eat plants closer to the ground like ferns. It couldn't lift its neck too high, so to reach food in trees, it could stand up on its hind legs.

E

Name: Einiosaurus

Pronunciation: Eye-nee-oh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Horns, Frill, Lived in Herd

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 6.6 feet/17.5 feet/1.45 tons

Meaning of Name: Buffalo Lizard

Pelvis Classification: Ornithischia

Did You Know? The Einiosaurus had a forward-curving nose horn that was small in babies but grew as they grew into adults. It was maybe used to attract mates.

F

Name: Fulgurotherium

Pronunciation: Full-grr-oh-THEAR-ee-um

Diet: Herbivorous

Weapons and Defenses: Running, Lived in Herd

Lived: Early Cretaceous Period 

Average Height/Length/Weight: 3 feet/7 feet/82.5 pounds

Meaning of Name: Lightning Beast

Pelvis Classification: Ornithischia

Did You Know? Fulgurotherium name means "Lightning Beast". This is because many incomplete femurs of it were discovered in the Lightning Ridge site in South New Wales, Australia.

G

Name: Gallimimus

Pronunciation: Gal-uh-MY-mus

Diet: Omnivorous

Weapons and Defenses: Running, Lived in Herd

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 6.5 feet/16.5 feet/970 pounds

Meaning of Name: Chicken Mimic

Pelvis Classification: Saurischia

Did You Know? The Gallimimus had comb-like plates in its mouth to filter out crustaceans, insects, and plants to eat from mud and water in streams and ponds.

H

Name: Hadrosaurus

Pronunciation: HAH-druh-sore-us

Diet: Herbivorous

Weapons and Defenses: Running, Lived in Herd

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 10 feet/30 feet/3-4 tons

Meaning of Name: Bulky Lizard

Pelvis Classification: Ornithischia

Did You Know? The Hadrosaurus was the first dinosaur discovered in the United States to have a nearly-complete skeleton.

I

Name: Iguanodon

Pronunciation: Ig-WAH-nuh-don

Diet: Herbivorous

Weapons and Defenses: Running, Lived in Herd, Thumb Spike

Lived: Early Cretaceous Period 

Average Height/Length/Weight: 9 feet/33 feet/4 tons

Meaning of Name: Iguana Tooth

Pelvis Classification: Ornithischia

Did You Know? The Iguanodon was the second dinosaur discovered (in 1822) and it was thought to look like a fat rhinoceros! When paleontologists discovered its thumb spike, they thought it was a nose horn!

J

Name: Janenschia

Pronunciation: Yaw-nen-SHE-uh*; Yay-NEN-she-uh

Diet: Herbivorous

Weapons and Defenses: Armor, Lived in Herd, Massive Weight and Size

Lived: Late Jurassic Period 

Average Height/Length/Weight: Unknown/90 feet/60 tons

Meaning of Name: Janensch (After paleontologist Werner Janensch who discovered it)

Pelvis Classification: Saurischia

Did You Know? The Janenschia is from a group of dinosaurs called Titanosauridae, which were like a mix of an Ankylosaurus and Brachiosaurus. Janenschia was a long-necked dinosaur and it had armor studs on its back!

K

Name: Kentrosaurus

Pronunciation: Ken-truh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Armored Plates and Spikes

Lived: Late Jurassic Period 

Average Height/Length/Weight: 7 feet/17 feet/2 tons

Meaning of Name: Spiked Lizard

Pelvis Classification: Ornithischia

Did You Know? The Kentrosaurus had a tail was more than half its body length and it could maybe swing it hard enough to break a predator's bones!   

L

Name: Lambeosaurus

Pronunciation: Lam-bee-oh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Hooting Sounds, Running, Swimming, Lives in Herd

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 7 feet/40 feet/5 tons

Meaning of Name: Lambe's Lizard

Pelvis Classification: Ornithischia

Did You Know? The crest of the Lambeosaurus was as big as, or even bigger than its skull!   

L

Name: Lambeosaurus

Pronunciation: Lam-bee-oh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Hooting Sounds, Running, Swimming, Lived in Herd

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 7 feet/40 feet/5 tons

Meaning of Name: Lambe's Lizard

Pelvis Classification: Ornithischia

Did You Know? The crest of the Lambeosaurus may have been as big as, or even bigger than its skull!   

M

Name: Mapusaurus

Pronunciation: Map-ooh-SORE-us

Diet: Carnivorous

Weapons and Defenses: Lived in Pack, Blade-like Cerrated Teeth, Sharp Claws, Strong Muscular Body 

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 13 feet/38 feet/4 tons

Meaning of Name: Earth Lizard

Pelvis Classification: Saurischia

Did You Know? Fossil discoveries suggest that Mapusaurus may have hunted in packs to take down the largest dinosaurs!   

M

Name: Mapusaurus

Pronunciation: Map-ooh-SORE-us

Diet: Carnivorous

Weapons and Defenses: Lived in Packs, Blade-like Serrated Teeth, Sharp Claws, Strong Muscular Body 

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 13 feet/38 feet/4 tons

Meaning of Name: Earth Lizard

Pelvis Classification: Saurischia

Did You Know? Fossil discoveries suggest that Mapusaurus may have hunted in packs to take down the largest dinosaurs!   

N

Name: Nothronychus

Pronunciation: Noth-row-NY-kus

Diet: Herbivorous

Weapons and Defenses: Extremely Long Claws, Lived in Herd 

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 11 feet/17 feet/1 ton

Meaning of Name: Slothful Claw

Pelvis Classification: Saurischia

Did You Know? Paleontologists think that Nothronychus has evolved to become an herbivore, which is very unusual because it is a Theropod!   

O

Name: Ornitholestes

Pronunciation: Or-nith-oh-LESS-teez

Diet: Carnivorous

Weapons and Defenses: Sharp Teeth, Running and Jumping, Grasping with Both Hands 

Lived: Late Jurassic Period 

Average Height/Length/Weight: 3 feet/6 feet/25 pounds

Meaning of Name: Bird Robber

Pelvis Classification: Saurischia

Did You Know? The Ornitholestes' hands faced inward, which allowed it to grab and hold small prey such as lizards and mice on the ground, and jump and catch birds in the air! 

P

Name: Psittacosaurus

Pronunciation: SIH-tack-oh-sore-us

Diet: Herbivorous

Weapons and Defenses: Sharp Beak, Running, Camouflage

Lived: Early Cretaceous Period 

Average Height/Length/Weight: 3 feet/6.5 feet/60 pounds

Meaning of Name: Parrot Lizard

Pelvis Classification: Ornithischia

Did You Know? The Psittacosaurus was actually an older, distant relative of the larger, more advanced Triceratops! 

Q

Name: Qantassaurus

Pronunciation: Kwan-tuh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Running, Large Eyes, Camouflage

Lived: Early Cretaceous Period 

Average Height/Length/Weight: 3 feet/6 feet/100 pounds

Meaning of Name: Qantas Lizard

Pelvis Classification: Ornithischia

Did You Know? The Qantassaurus had large eyes to help it see in the dark to look for food without the danger of predators hunting. This means that they are nocturnal, or they stay awake at night.

R

Name: Riojasaurus

Pronunciation: Ree-oh-ha-SORE-us

Diet: Herbivorous

Weapons and Defenses: Thumb Claw, Large Weight and Size

Lived: Late Triassic Period 

Average Height/Length/Weight: 10 feet/33 feet/7 tons

Meaning of Name: La Rioja Lizard

Pelvis Classification: Saurischia

Did You Know? The Riojasaurus was an unusual Prosauropod, or ancestor to Sauropods, because it had thick legs, a bulky body, and a strong neck and tail, which is advanced for its type. 

S

Name: Saurophaganax

Pronunciation: Saur-oh-FAH-gan-ax

Diet: Carnivorous

Weapons and Defenses: Blade-like Cerrated Teeth, Sharp Claws, Strong Muscular Body

Lived: Late Jurassic Period 

Average Height/Length/Weight: 14 feet/38 feet/3 tons

Meaning of Name: Lizard-Eating Ruler

Pelvis Classification: Saurischia

Did You Know? The Saurophaganax may have been a scavenger, which means it waited for other predators to kill their prey and then used its huge size scare them away, so it could eat the dinosaur instead. (The image above shows a Saurophaganax near a dinosaur that an Allosaurus killed, but the Allosaurus was scared off.)

S

Name: Saurophaganax

Pronunciation: Saur-oh-FAH-gan-ax

Diet: Carnivorous

Weapons and Defenses: Blade-like Serrated Teeth, Sharp Claws, Strong Muscular Body

Lived: Late Jurassic Period 

Average Height/Length/Weight: 14 feet/38 feet/3 tons

Meaning of Name: Lizard-Eating Ruler

Pelvis Classification: Saurischia

Did You Know? The Saurophaganax may have been a scavenger, which means it waited for other predators to kill their prey and then used its huge size scare them away, so it could eat the dinosaur instead. (The image above shows a Saurophaganax in the back near a dinosaur that an Allosaurus killed, but the Allosaurus in the front is being scared off.)

T

Name: Tyrannosaurus Rex (T. Rex)

Pronunciation: Tie-ran-oh-SORE-us REX

Diet: Carnivorous

Weapons and Defenses: Blade-like Serrated Teeth, Sharp Claws, Strong Muscular Body, Lived in Packs

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 18 feet/40 feet/9 tons

Meaning of Name: Tyrant Lizard King

Pelvis Classification: Saurischia

Did You Know? The Tyrannosaurus Rex had a 5-foot-long skull and could eat up to 500 pounds of meat in one bite! It could even crush bones with its 8-inch-long teeth!

U

Name: Utahraptor

Pronunciation: YOU-taw-rap-ter

Diet: Carnivorous

Weapons and Defenses: Blade-like Serrated Teeth, Sharp Claws, Sickle-Shaped Toe Claws

Lived: Early Cretaceous Period 

Average Height/Length/Weight: 6 feet/23 feet/1 ton

Meaning of Name: Utah's Thief 

Pelvis Classification: Saurischia

Did You Know? The Utahraptor was the largest Dromeosaurid (Raptor), about as big as an ice cream truck, and may have been more vicious than the T. Rex!

V

Name: Velociraptor

Pronunciation: Vel-AW-sih-rap-ter

Diet: Carnivorous

Weapons and Defenses: Blade-like Serrated Teeth, Sharp Claws, Sickle-Shaped Toe Claws

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 2 feet/6 feet/33 pounds

Meaning of Name: Swift Thief 

Pelvis Classification: Saurischia

Did You Know? Although the Velociraptor was one of the smallest raptors, it was still very scary and could gang up on larger dinosaurs! 

W

Name: Wannanosaurus

Pronunciation: Wuh-naw-noh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Running, Flat Thick Skull

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 2 feet/3 feet/10 pounds

Meaning of Name: Wannan Lizard 

Pelvis Classification: Ornithischia

Did You Know? The Wannanosaurus was one of the smallest the Pachycephalosaurids (Thick-Headed Dinos). It was from Asia and had an unusually flat skull rather than the North American dome skull.

X

Name: Xenotarsosaurus

Pronunciation: Zee-noh-tar-soh-SORE-us

Diet: Carnivorous

Weapons and Defenses: Blade-like Serrated Teeth, Sharp Claws, Strong Muscular Body

Lived: Late Cretaceous Period 

Average Height/Length/Weight: 10 feet/18 feet/1 ton

Meaning of Name: Strange Ankle Lizard

Pelvis Classification: Saurischia

Did You Know? The Xenotarsosaurus means "Strange Ankle Lizard" because it's ankles were fused with its heels, which is very unusual for a Theropod.

Y

Name: Yangchuanosaurus

Pronunciation: Yong-chwon-oh-SORE-us

Diet: Carnivorous

Weapons and Defenses: Blade-like Serrated Teeth, Sharp Claws, Strong Muscular Body

Lived: Late Jurassic Period 

Average Height/Length/Weight: 13 feet/30 feet/3 tons

Meaning of Name: Yongchuan's Lizard 

Pelvis Classification: Saurischia

Did You Know? The Yangchuanosaurus may be closely related to its North American relative Allosaurus!

Z

Name: Zephyrosaurus

Pronunciation: Zef-ee-ruh-SORE-us

Diet: Herbivorous

Weapons and Defenses: Running, Large Eyes, Maybe Burrowing 

Lived: Early Cretaceous Period 

Average Height/Length/Weight: 3 feet/6 feet/30 pounds

Meaning of Name: Westward Wind Lizard 

Pelvis Classification: Ornithischia

Did You Know? The Zephyrosaurus means "Westward Wind Lizard" after the Zephyros, the Greek God of the West Wind because it was discovered in western North America (in Montana).

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