Dinosaurs That Start With B

When talking about history, it seems impossible to leave out the mention of majestic dinosaurs. These behemoth creatures ruled the world for over 100 million years, only to disappear in a catastrophic event that led to their extinction. Dinosaurs come in a variety of shapes and sizes, from the tiny grey heron-sized Compsognathus to the towering stature of the Diplodocus, weighing around 90,000 pounds. By understanding and interpreting the remains of these reptiles, scientists shed some light on how life evolved on earth.

I never thought putting together a list of dinosaurs would be so difficult. With hundreds of names to choose from, it was not an easy task. However, I was up for the challenge, and my research skills came in handy. Now, I have a list that covers the most well-known dinosaurs, and a few hidden gems that are lesser-known.

So, let’s begin exploring this list of dinosaurs starting with B!

72 Dinosaurs That Start With B

And here’s the list of dinosaurs that begin with B letter.

Baalsaurus

Baalsaurus is a recently discovered theropod dinosaur from the Late Cretaceous period. It is estimated to have been about 7 meters in length and lived in what is now modern-day Brazil.

Bactrosaurus

Bactrosaurus, meaning “clubbed reptile,” is an herbivorous dinosaur that lived during the Late Cretaceous period. It was approximately 6 meters long and possessed an unusual club-like tail that it may have used for defense against predators.

Bagaceratops

Bagaceratops, meaning “small-horned face,” is a genus of herbivorous ceratopsian dinosaur that lived during the Late Cretaceous period. It was small in size, only estimated to have been around 2 meters in length, and had a distinctive frill on its skull that was likely used for display purposes.

Bagaraatan

Bagaraatan is a theropod dinosaur that lived during the Early Cretaceous period in what is now modern-day Mongolia. It is believed to have been around 6 meters in length and may have been a predator of small mammals and lizards.

Bagualia

Bagualia, meaning “wild,” is a genus of sauropod dinosaur that lived during the Early Cretaceous period. Its fossils were found in Argentina, and it is estimated to have been around 15 meters in length.

Bagualosaurus

Bagualosaurus is a sauropod dinosaur that lived during the Late Cretaceous period in what is now modern-day Argentina. It was around 12 meters in length and had a long neck and tail.

Bahariasaurus

Bahariasaurus is a genus of theropod dinosaur that lived during the Early Cretaceous period in what is now modern-day Egypt. It is estimated to have been around 10-12 meters in length and may have been a predator that hunted other dinosaurs in the region.

Bainoceratops

Bainoceratops is a genus of ceratopsian dinosaur that lived during the Late Cretaceous period in what is now modern-day China. It is approximately 4 meters in length and had a distinctive frill on its skull that may have been used for display or competition among males.

Bajadasaurus

Bajadasaurus is a genus of sauropod dinosaur that lived during the Late Cretaceous period in what is now modern-day Argentina. It is estimated to have been around 8 meters in length and had a unique feature of cervical vertebrae that extended into a series of paired, broad spines.

Balaur

Balaur is a genus of theropod dinosaur that lived during the Late Cretaceous period in what is now modern-day Romania. It is estimated to have been around 3 meters in length and possessed two large, sickle-shaped claws on each foot, which it may have used for hunting or self-defense.

Bambiraptor

Bambiraptor, named after the Disney character Bambi, is a small theropod dinosaur that lived during the Late Cretaceous period. It was only around 1 meter in length and had long, slender legs, which suggest it may have been a fast runner.

Bannykus

Bannykus is a theropod dinosaur that lived during the Late Cretaceous period in what is now modern-day Mongolia. It is estimated to have been around 1.5 meters in length and had feathers covering much of its body, providing insulation and possibly aiding in flight.

Baotianmansaurus

Baotianmansaurus is a genus of titanosaurian sauropod dinosaur that lived during the Late Cretaceous period in what is now modern-day China. It is estimated to have been around 20 meters in length and had a long neck and tail.

Barapasaurus

Barapasaurus is a genus of sauropod dinosaur that lived during the Early Jurassic period in what is now modern-day India. It was around 14 meters long and had a distinctive elongated neck, which it may have used to reach high branches when feeding.

Barosaurus

Barosaurus is a genus of sauropod dinosaur that lived during the Late Jurassic period in what is now modern-day North America. It is believed to have been one of the largest land animals ever to have lived, with an estimated length of up to 26 meters.

Barrosasaurus

Barrosasaurus is a genus of sauropod dinosaur that lived during the Late Cretaceous period in what is now modern-day Argentina. It is approximately 14 meters in length and had a long neck and tail.

Barsboldia

Barsboldia is a tyrannosaurid dinosaur that lived during the Late Cretaceous period in what is now modern-day Mongolia. It is estimated to have been around 7 meters in length and had small, two-fingered arms, which were likely used for grasping and holding onto prey.

Baryonyx

Baryonyx is a genus of theropod dinosaur that lived during the Early Cretaceous period in what is now modern-day Europe. It was around 9 meters in length and had a distinctive crocodile-like snout, which it may have used for catching fish.

Bashunosaurus

This herbivore lived during the Early Cretaceous period and had a long neck, small head and spoon-shaped teeth to graze on plants.

Basutodon

This medium-sized dinosaur roamed during the Late Jurassic period, living in what is now Lesotho. It had a toothless beak and could reach up to 7 meters in length.

Batyrosaurus

This dinosaur had a broad snout and a long tail, and lived during the Late Cretaceous period in what is now China.

Baurutitan

This giant herbivore roamed during the Late Cretaceous period in what is now Brazil. It had a long neck and tail and stood on four sturdy legs.

Bayannurosaurus

This dinosaur lived during the Late Cretaceous period and had a long neck and tail, as well as a small head. It was an herbivore that roamed the lands that are now China.

Becklespinax

This carnivore lived during the Early Jurassic period and had sharp teeth and claws for hunting. Its fossils have been found in what is now the United Kingdom.

Beibeilong

A dinosaur from the Early Cretaceous period in China, this dinosaur had a small head, long neck, and well-preserved fossils of its feathers, which suggest it had brightly colored plumage.

Beipiaognathus

This small dinosaur had a bird-like beak and feathers but was not capable of sustained flight, instead using its wings as arms for climbing. It lived during the Early Cretaceous period in China.

Beipiaosaurus

A theropod dinosaur that lived during the Early Cretaceous period in China, it had primitive feathers and was most likely omnivorous.

Beishanlong

This dinosaur from the Early Cretaceous period in what is now China had a long neck and tail, and was an herbivore that could grow up to 8 meters in length.

Bellusaurus

This herbivorous dinosaur lived during the Early Cretaceous period in what is now China and had a long neck and tail, as well as a small head.

Berberosaurus

This herbivorous dinosaur lived during the Late Cretaceous period in what is now Morocco and had a long neck, small head and spoon-shaped teeth for grazing on plants.

Berthasaura

This small herbivore lived during the Late Cretaceous period in what is now Argentina and had a solid frill on its head that may have been used for defense or display.

Betasuchus

This carnivorous dinosaur lived during the Early Cretaceous period in what is now Brazil and had sharp teeth and claws for hunting.

Bicentenaria

This dinosaur from the Late Cretaceous period in what is now Argentina had a long neck and tail, and may have been an herbivore.

Bienosaurus

This late Triassic herbivore lived in what is now Argentina and had a long neck and tail, and could grow up to 8 meters in length.

Bissektipelta

This dinosaur from the Late Cretaceous period in what is now Uzbekistan had a heavily armored body and a spiked tail, and likely lived in a swampy environment.

Bistahieversor

This relative of Tyrannosaurus rex lived during the Late Cretaceous period in what is now New Mexico and had sharp teeth and claws for hunting.

Bisticeratops

This dinosaur from the Late Cretaceous period in what is now Montana had two large horns on its head, likely used for defense or display.

Blasisaurus

This herbivorous dinosaur from the Late Cretaceous period in what is now Argentina had a long neck and tail, as well as a small head.

Blikanasaurus

This dinosaur lived during the Early Jurassic period in what is now South Africa and had a small head, long neck, and sharp claws for hunting.

Bolong

This dinosaur from the Late Cretaceous period in what is now China had a long neck and tail, and may have been an herbivore.

Bonapartenykus

This small, carnivorous dinosaur from the Late Cretaceous period in what is now Argentina had sharp teeth and a slender build, and was likely a fast runner.

Bonapartesaurus

This herbivorous dinosaur from the Late Cretaceous period in what is now Argentina had a long neck and tail, as well as a small head.

Bonatitan

This giant herbivore lived during the Late Cretaceous period in what is now Argentina and had a long neck, tail, and sturdy legs for support.

Bonitasaura

This herbivorous dinosaur from the Late Cretaceous period in what is now Argentina had a small head, long tail, and sturdy legs for support.

Borealopelta

This is a beautifully preserved dinosaur that was discovered in the oil sands of Alberta. It was a type of ankylosaur, a group of dinosaurs characterized by their armored bodies and club-like tails.

Borealosaurus

Borealosaurus was a herbivorous, long- necked dinosaur that lived in North America during the Late Cretaceous period. Its name means “northern lizard” in reference to its discovery in Alaska.

Boreonykus

Boreonykus was a small, feathered dinosaur that lived in what is now Kazakhstan during the Late Cretaceous period. It was part of the group of dinosaurs known as dromaeosaurs, or “raptors”, made famous by the movie Jurassic Park.

Borogovia

Borogovia is a genus of an extinct group of mammals called Gondwanatheria known from the Early Cretaceous of Madagascar. It is one of the few examples of mammals known from the super-continent of Gondwana.

Bothriospondylus

Bothriospondylus was an early sauropod dinosaur that lived during the Late Triassic period. It was a small-bodied dinosaur, with a long neck and tail, and it likely fed on plants.

Brachiosaurus

One of the largest animals to ever walk the earth, Brachiosaurus was a sauropod dinosaur that lived in North America during the Late Jurassic period. Its extremely long neck allowed it to browse on vegetation that was high up in trees.

Brachyceratops

Brachyceratops was a small ceratopsian dinosaur that lived in what is now North America during the Late Cretaceous period. It had a short frill at the back of its head and two small horns above its eyes.

Brachylophosaurus

Brachylophosaurus was a type of hadrosaur, or duck-billed dinosaur, that lived in North America during the Late Cretaceous period. It is known for its distinctive cranial crest, which has led to its nickname of “flat-headed duck”.

Brachypodosaurus

Brachypodosaurus was a small theropod dinosaur that lived in what is now Spain during the Late Jurassic period. It is known from just a few fossil bones, so not much is known about its appearance or behavior.

Brachyrophus

Brachyrophus was a small theropod dinosaur that lived in what is now Argentina during the Early Triassic period. It is known from just a few teeth, so not much is known about its appearance or behavior.

Brachytaenius

Brachytaenius was a small ornithopod dinosaur that lived in what is now Mongolia during the Late Cretaceous period. It likely fed on low-growing plants and may have lived in groups.

Brachytrachelopan

Brachytrachelopan was a large, long-necked dinosaur that lived in what is now Argentina during the Early Cretaceous period. Its name means “short-necked” because it was thought to have a shortened neck compared to other sauropods, but recent research has shown that its neck was actually quite long.

Bradycneme

Bradycneme was a small theropod dinosaur that lived in what is now Spain during the Late Jurassic period. It is known from just a few fossil bones, so not much is known about its appearance or behavior.

Brasileosaurus

Brasileosaurus was a type of titanosaur, a group of sauropod dinosaurs known for their long necks and tails. It lived in what is now Brazil during the Late Cretaceous period.

Brasilotitan

Brasilotitan was a type of titanosaur, a group of sauropod dinosaurs known for their long necks and tails. It lived in what is now Brazil during the Late Cretaceous period.

Bravasaurus

Bravasaurus was a small theropod dinosaur that lived in what is now Spain during the Late Cretaceous period. It is known from just a few fossil bones, so not much is known about its appearance or behavior.

Bravoceratops

Bravoceratops is a genus of horned dinosaur that lived in North America during the Late Cretaceous period. It had a frill at the back of its head and two large horns above its eyes.

Breviceratops

Breviceratops was a small horned dinosaur that lived in what is now Mongolia during the Late Cretaceous period. It had a short frill at the back of its head and two small horns above its eyes.

Brighstoneus

Brighstoneus was a small theropod dinosaur that lived in what is now England during the Early Cretaceous period. It is known from just a few fossil bones, so not much is known about its appearance or behavior.

Brohisaurus

Brohisaurus is a genus of sauropod dinosaur that lived in what is now Pakistan during the Early Cretaceous period. It had a long neck and tail and likely fed on plants.

Brontomerus

Brontomerus was a herbivorous dinosaur that lived in what is now North America during the Early Cretaceous period. Its name means “thunder thighs” in reference to its powerful leg muscles.

Brontosaurus

One of the most iconic dinosaurs, Brontosaurus was a massive herbivore that lived in North America during the Late Jurassic period. Despite being one of the largest animals to ever exist, it likely fed on low-growing plants.

Bruhathkayosaurus

Bruhathkayosaurus is a genus of sauropod dinosaur that lived in what is now India during the Late Cretaceous period. It is one of the largest animals to ever walk the earth, with estimated lengths of up to 130 feet.

Bugenasaura

Bugenasaura was a small herbivorous dinosaur that lived in what is now Argentina during the Late Cretaceous period. It is known from just a few fossil bones, so not much is known about its appearance or behavior.

Buitreraptor

Buitreraptor was a small, feathered dinosaur that lived in what is now Argentina during the Late Cretaceous period. It was a type of dromaeosaur, or “raptor,” and likely hunted small animals.

Burianosaurus

Burianosaurus is a genus of theropod dinosaur that lived in what is now the Czech Republic during the Late Jurassic period. It is known from just a few fossil bones, so not much is known about its appearance or behavior.

Buriolestes

Buriolestes was a small theropod dinosaur that lived in what is now Brazil during the Late Triassic period. It is one of the oldest known dinosaurs from South America.

Byronosaurus

Byronosaurus was a small, feathered dinosaur that lived in what is now Mongolia during the Late Cretaceous period. It was a type of dromaeosaur, or “raptor,” and likely hunted small animals.

Wrapping Up

And that’s our list of B dinosaurs.

Compiling this dinosaur list has been an incredible journey. Through long hours of reading and research, I was able to understand these prehistoric beasts better. With great attention to detail, I compiled a list that not only includes popular dinosaurs but also lesser-known species that are equally fascinating.

In summary, dinosaurs remain one of the most fascinating and captivating subjects of study for scientists, paleontologists, and enthusiasts alike. Their place in history as the dominant species on Earth for over 160 million years has instilled a sense of awe and respect in many. Despite being long gone, their impact on our planet and the evolution of life cannot be denied. With new discoveries and advancements in technology, we are constantly gaining valuable insights into the past and piecing together the complex story of these incredible creatures. As we continue to delve deeper into the mysteries of the dinosaur world, we should always remember to appreciate the awe-inspiring beauty and power they once possessed.

Hope this post on dinosaur names beginning with B alphabet has been useful to you!