Nigersaurus
Nigersaurus

What Dinosaur Had 500 Teeth And What Did It Eat?

Discover the dinosaur boasting an impressive 500 teeth – the Nigersaurus. This fascinating creature, detailed on WHAT.EDU.VN, roamed the Earth 110 million years ago, grazing on plants with its unique dental arsenal. Uncover the secrets of its diet, habitat, and the remarkable adaptations that made this dinosaur a true marvel of evolution, with related keywords like sauropod and herbivore.

1. What Dinosaur Had 500 Teeth?

The dinosaur that had 500 teeth is the Nigersaurus. This long-necked herbivore lived during the mid-Cretaceous period, about 115 to 105 million years ago. The Nigersaurus is known for its unusual, broad muzzle filled with hundreds of teeth designed for grazing on low-lying vegetation.

To elaborate, the Nigersaurus’ unique dental structure is one of its most distinguishing features. Unlike many other dinosaurs, which had a limited number of teeth that they would replace occasionally, the Nigersaurus possessed a continuous supply of teeth. These teeth were arranged in rows, and as one tooth wore down or broke off, another would move into its place. This adaptation allowed the Nigersaurus to efficiently process large amounts of plant material, making it a successful herbivore in its environment. The discovery and study of Nigersaurus fossils have provided valuable insights into the evolution and diversity of dinosaurs during the Cretaceous period.

2. Where Was The Nigersaurus Discovered?

The Nigersaurus was primarily discovered in the Sahara Desert of Niger, West Africa. Paleontologist Paul Sereno and his team made significant finds in the late 1990s and early 2000s, which helped to identify and describe this unique dinosaur.

The Sahara Desert, particularly in Niger, has proven to be a rich source of dinosaur fossils. The arid climate and exposed rock formations make it an ideal location for paleontological expeditions. The discovery of Nigersaurus in this region has contributed significantly to our understanding of the types of dinosaurs that inhabited Africa during the Cretaceous period. These findings not only highlight the biodiversity of the ancient world but also emphasize the importance of continued paleontological research in uncovering more of Earth’s history.

3. How Many Teeth Did Nigersaurus Have?

Nigersaurus had more than 500 teeth in its mouth. These teeth were not all present at once; rather, they were arranged in columns, with new teeth constantly replacing older, worn-out ones.

The dental arrangement of Nigersaurus is a fascinating adaptation for its herbivorous diet. Its teeth were thin and designed for cropping vegetation close to the ground. The constant replacement of teeth ensured that Nigersaurus always had a functional set for feeding. This dental battery is one of the most remarkable features of this dinosaur, setting it apart from many other herbivorous dinosaurs of the time.

4. What Did Nigersaurus Eat?

Nigersaurus was a herbivore, primarily feeding on low-growing plants like ferns, horsetails, and flowering plants. Its unique mouth and teeth were well-suited for grazing on vegetation close to the ground.

The Nigersaurus’ feeding habits are closely linked to its dental structure. Its broad muzzle and numerous teeth allowed it to efficiently crop large quantities of plant material. Studies of its teeth show wear patterns consistent with feeding on soft vegetation. The Nigersaurus likely used its wide mouth to take in large mouthfuls of plants, which were then processed by its constantly renewing teeth. This adaptation made it a successful herbivore in the lush environments of the Cretaceous period.

5. How Big Was The Nigersaurus?

The Nigersaurus was a relatively small sauropod, measuring about 30 feet (9 meters) in length. While this is large compared to many modern animals, it is smaller than other sauropods like the Argentinosaurus or Brachiosaurus.

Despite its smaller size compared to other sauropods, the Nigersaurus was still a significant presence in its ecosystem. Its size allowed it to access vegetation that might have been out of reach for smaller herbivores, while its unique dental adaptations made it an efficient grazer. The Nigersaurus’ size and feeding habits played an important role in shaping the plant communities of its time.

6. How Did The Nigersaurus Use Its 500 Teeth?

Nigersaurus used its 500 teeth to efficiently graze on low-lying vegetation. The teeth were arranged in rows, and as the front teeth wore down, they were replaced by new ones from behind. This continuous replacement allowed Nigersaurus to maintain a constant supply of functional teeth for feeding.

The mechanics of how Nigersaurus used its teeth are quite fascinating. Its broad muzzle allowed it to take in wide swaths of vegetation, and its teeth acted like a series of small cutting blades. The constant replacement of teeth ensured that it always had sharp edges for cropping plants. Studies of the wear patterns on Nigersaurus teeth have provided valuable insights into its feeding behavior and the types of plants it consumed.

7. What Is Unique About Nigersaurus’ Teeth?

The uniqueness of Nigersaurus’ teeth lies in their sheer number, arrangement, and continuous replacement. Unlike many other dinosaurs that had a limited number of teeth, Nigersaurus had hundreds of teeth arranged in columns, with new teeth constantly erupting to replace worn-out ones.

This dental arrangement is one of the most distinctive features of the Nigersaurus. Its teeth were thin and blade-like, perfectly adapted for cropping soft vegetation. The continuous replacement of teeth ensured that it always had a functional set for feeding, making it a highly efficient herbivore. The Nigersaurus’ dental structure is a testament to the evolutionary adaptations that allowed it to thrive in its environment.

8. What Other Dinosaurs Lived Alongside Nigersaurus?

Nigersaurus lived alongside a variety of other dinosaurs and reptiles in what is now Niger’s Sahara Desert. Some of the notable species that shared its habitat include:

  • Suchomimus: A large, fish-eating theropod dinosaur.
  • Ouranosaurus: A herbivorous dinosaur with a distinctive sail on its back.
  • Lurdusaurus: Another herbivorous dinosaur, known for its stocky build.
  • Sarcosuchus: A giant crocodile, much larger than modern crocodiles.

These species formed a diverse ecosystem in the Cretaceous period. The interactions between these dinosaurs and reptiles would have been complex, with competition for resources and predator-prey relationships shaping the structure of the community. The study of these ancient ecosystems provides valuable insights into the ecology and evolution of dinosaurs.

9. How Was The Nigersaurus Skull Reconstructed?

The Nigersaurus skull was reconstructed using CT scans. Paleontologists digitally reconstructed the skull from CT scans of the original fossil. This allowed them to create a three-dimensional model of the skull, which provided valuable information about its structure and function.

The digital reconstruction of the Nigersaurus skull was a significant achievement in paleontology. The CT scans allowed researchers to examine the internal structure of the skull without damaging the fragile fossil. The resulting three-dimensional model provided insights into the arrangement of the teeth, the shape of the nasal passages, and other important features. This reconstruction has greatly enhanced our understanding of the Nigersaurus and its unique adaptations.

10. Why Did Nigersaurus Need So Many Teeth?

Nigersaurus needed so many teeth because its diet consisted of tough plant material that wore down its teeth quickly. The constant replacement of teeth ensured that it always had a functional set for feeding.

The high rate of tooth wear in Nigersaurus was likely due to the silica content in the plants it consumed. Silica is a mineral found in many plants, and it can be abrasive to teeth. The Nigersaurus’ adaptation of continuously replacing its teeth allowed it to thrive on a diet of these plants, making it a successful herbivore in its environment. The need for so many teeth is a testament to the challenges of feeding on tough vegetation.

11. What Were The Major Discoveries About Nigersaurus?

The major discoveries about Nigersaurus include its unique dental structure, feeding habits, and habitat. The discovery of multiple skeletons in Niger provided paleontologists with a wealth of information about this dinosaur.

Key findings include:

  • The presence of more than 500 teeth in its mouth.
  • The arrangement of teeth in columns, with continuous replacement.
  • Its herbivorous diet, consisting of low-growing plants.
  • Its habitat in the Sahara Desert of Niger.
  • The digital reconstruction of its skull, providing insights into its structure and function.

These discoveries have significantly enhanced our understanding of the Nigersaurus and its place in the dinosaur world.

12. How Did Nigersaurus Adapt To Its Environment?

Nigersaurus adapted to its environment through several key features:

  • Dental Structure: Its numerous teeth and continuous replacement allowed it to efficiently graze on vegetation.
  • Neck: Its long neck allowed it to reach low-lying plants.
  • Size: Its relatively small size compared to other sauropods allowed it to access vegetation in dense environments.

These adaptations allowed the Nigersaurus to thrive in the lush environments of the Cretaceous period. Its unique features made it a successful herbivore in its ecosystem.

13. What Is The Significance Of The Nigersaurus Discovery?

The significance of the Nigersaurus discovery lies in its contribution to our understanding of dinosaur diversity and evolution. The Nigersaurus is a unique dinosaur with several distinctive features, and its discovery has provided valuable insights into the types of dinosaurs that lived in Africa during the Cretaceous period.

The Nigersaurus also highlights the importance of paleontological research in uncovering Earth’s history. The discovery of this dinosaur has inspired further research and exploration in the Sahara Desert and other regions, leading to the discovery of even more dinosaur species. The Nigersaurus serves as a reminder of the vast amount of knowledge that remains to be discovered about the ancient world.

14. Can You Describe The Habitat Of Nigersaurus?

The habitat of Nigersaurus was a lush, green environment in what is now the Sahara Desert of Niger. During the mid-Cretaceous period, this region was much wetter and more fertile than it is today.

The environment was characterized by rivers, lakes, and forests, providing a rich source of vegetation for herbivores like Nigersaurus. The presence of other dinosaurs and reptiles, such as Suchomimus, Ouranosaurus, and Sarcosuchus, indicates a diverse and complex ecosystem. The study of this ancient environment provides valuable insights into the climate and geography of the Cretaceous period.

15. What Is The Evolutionary Significance Of Nigersaurus?

The evolutionary significance of Nigersaurus lies in its unique adaptations and its place in the sauropod family tree. Nigersaurus represents a specialized lineage of sauropods that adapted to feeding on low-lying vegetation.

Its unique dental structure and feeding habits provide insights into the evolution of herbivory in dinosaurs. The Nigersaurus also highlights the diversity of sauropods, demonstrating the range of adaptations that evolved within this group. Its discovery has helped to refine our understanding of dinosaur evolution and the relationships between different dinosaur species.

16. How Did The Nigersaurus Compare To Other Sauropods?

Compared to other sauropods, Nigersaurus was relatively small and had a unique dental structure. While many sauropods were massive, long-necked giants, Nigersaurus was more modestly sized, measuring about 30 feet in length.

Its most distinctive feature was its mouth, which was filled with hundreds of teeth arranged in columns. This dental arrangement is unlike that of most other sauropods, which typically had fewer teeth. The Nigersaurus’ adaptations for grazing on low-lying vegetation set it apart from other sauropods that fed on taller trees.

17. What Are Some Interesting Facts About Nigersaurus?

Here are some interesting facts about Nigersaurus:

  • It had more than 500 teeth.
  • Its teeth were continuously replaced.
  • It was relatively small compared to other sauropods.
  • It lived in what is now the Sahara Desert of Niger.
  • Its skull has been digitally reconstructed from CT scans.

These facts highlight the unique and fascinating nature of the Nigersaurus.

18. How Did Paleontologists Discover Nigersaurus?

Paleontologists discovered Nigersaurus through careful excavation and analysis of fossils found in the Sahara Desert of Niger. Paul Sereno and his team made significant finds in the late 1990s and early 2000s, which helped to identify and describe this unique dinosaur.

The process of discovering Nigersaurus involved:

  • Locating fossil sites in the Sahara Desert.
  • Excavating the fossils with care.
  • Analyzing the bones to identify the dinosaur species.
  • Reconstructing the skeleton and skull.
  • Publishing the findings in scientific journals.

This painstaking work has provided us with a wealth of knowledge about the Nigersaurus and its place in the dinosaur world.

19. What Challenges Did Nigersaurus Face In Its Environment?

Nigersaurus faced several challenges in its environment, including:

  • Predation: It had to avoid predators like Suchomimus.
  • Competition: It had to compete with other herbivores for resources.
  • Tooth Wear: Its teeth wore down quickly due to the silica content in plants.
  • Environmental Changes: It had to adapt to changes in its environment over time.

These challenges shaped the evolution of the Nigersaurus and its adaptations.

20. How Can I Learn More About Nigersaurus?

You can learn more about Nigersaurus through various resources:

  • Scientific Journals: Read articles published by paleontologists who have studied Nigersaurus.
  • Museums: Visit natural history museums that have Nigersaurus fossils on display.
  • Books: Read books about dinosaurs, including those that feature Nigersaurus.
  • Websites: Explore websites like WHAT.EDU.VN that provide information about dinosaurs.
  • Documentaries: Watch documentaries about dinosaurs on television or online.

These resources can provide you with a wealth of information about the Nigersaurus and its place in the dinosaur world.

21. What Were The Predators Of Nigersaurus?

The primary predator of Nigersaurus was likely Suchomimus, a large theropod dinosaur that shared its habitat. Suchomimus was a formidable predator with long arms, sharp claws, and a powerful bite.

The presence of Suchomimus in the same environment as Nigersaurus suggests that it would have posed a significant threat. Other smaller predators may have also preyed on young or weakened Nigersaurus individuals. The need to avoid predators would have been a constant challenge for Nigersaurus.

22. How Did Nigersaurus Protect Itself?

Nigersaurus likely protected itself through a combination of strategies:

  • Size: Its size may have deterred some smaller predators.
  • Herding: Living in herds may have provided some protection, as multiple individuals could watch for predators.
  • Tail: Its tail could have been used as a weapon to fend off attackers.

These strategies would have helped Nigersaurus to survive in an environment with predators like Suchomimus.

23. What Role Did Nigersaurus Play In Its Ecosystem?

Nigersaurus played an important role in its ecosystem as a primary consumer. As a herbivore, it fed on plants and helped to shape the plant communities of its time.

Its grazing habits would have influenced the distribution and abundance of different plant species. It also served as a food source for predators like Suchomimus. The Nigersaurus was an integral part of the food web in its ecosystem.

24. How Does The Discovery Of Nigersaurus Help Us Understand Dinosaur Evolution?

The discovery of Nigersaurus helps us understand dinosaur evolution by providing insights into the diversity and adaptations of sauropods. Nigersaurus represents a specialized lineage of sauropods that adapted to feeding on low-lying vegetation.

Its unique dental structure and feeding habits provide valuable information about the evolution of herbivory in dinosaurs. The Nigersaurus also highlights the range of adaptations that evolved within the sauropod group, demonstrating the diversity of dinosaur life during the Cretaceous period.

25. What Was The Climate Like When Nigersaurus Lived?

The climate when Nigersaurus lived was warmer and wetter than it is today in the Sahara Desert. During the mid-Cretaceous period, this region was much more fertile, with rivers, lakes, and forests.

The climate supported a diverse ecosystem with a variety of plant and animal life. The presence of water allowed for lush vegetation, which provided a food source for herbivores like Nigersaurus. The warm temperatures allowed for the growth of tropical and subtropical plants. The climate played a key role in shaping the environment in which Nigersaurus lived.

26. How Did Nigersaurus Get Its Name?

Nigersaurus got its name from the country where it was discovered, Niger, and the Greek word “sauros,” which means lizard. The name Nigersaurus thus means “Niger lizard.”

The naming of Nigersaurus reflects the importance of its discovery in Niger. The Sahara Desert of Niger has proven to be a rich source of dinosaur fossils, and the Nigersaurus is one of the most notable discoveries from this region. The name serves as a reminder of the location where this unique dinosaur was found.

27. What Are The Closest Living Relatives To Nigersaurus?

Nigersaurus belongs to the sauropod group of dinosaurs, which includes some of the largest land animals that ever lived. However, dinosaurs are more closely related to modern birds than to any living reptiles. While Nigersaurus does not have any direct living relatives in the traditional sense, birds are considered to be the closest living relatives to all dinosaurs, including Nigersaurus.

This connection is supported by a wealth of evidence, including skeletal similarities, genetic studies, and fossil discoveries. The evolutionary link between dinosaurs and birds is one of the most fascinating aspects of paleontology.

28. How Did Nigersaurus Chew Its Food?

Nigersaurus did not chew its food in the same way that mammals do. Instead, it used its numerous teeth to crop vegetation and swallow it whole. The teeth were arranged in rows, and as the front teeth wore down, they were replaced by new ones from behind.

The mechanics of how Nigersaurus processed its food are still being studied, but it is believed that it used its gizzard to grind up plant material. The gizzard is a muscular pouch in the digestive system that contains small stones, which help to break down food. This method of digestion is similar to that used by modern birds.

29. What Kind Of Plants Did Nigersaurus Eat?

Nigersaurus primarily ate low-growing plants like ferns, horsetails, and flowering plants. Its unique mouth and teeth were well-suited for grazing on vegetation close to the ground.

The types of plants that Nigersaurus consumed would have been determined by the availability of vegetation in its environment. The lush environments of the Cretaceous period provided a rich source of plant life, allowing Nigersaurus to thrive as a herbivore.

30. How Long Did Nigersaurus Live?

The lifespan of Nigersaurus is not known with certainty, but it is estimated that it lived for several decades. Like other dinosaurs, Nigersaurus likely grew rapidly during its juvenile years and then reached a mature size.

The lifespan of Nigersaurus would have been influenced by factors such as predation, disease, and environmental conditions. It is possible that some individuals lived longer than others, depending on their circumstances.

31. Were Nigersaurus Bones Hollow?

Like many sauropods, Nigersaurus had some hollow bones. These hollow spaces helped to reduce the weight of the skeleton, making it easier for the dinosaur to move around.

The presence of hollow bones is a common feature in birds and dinosaurs. This adaptation allows for a lightweight skeleton without sacrificing strength. The hollow bones of Nigersaurus would have been filled with air sacs, which were connected to the lungs.

32. What Color Was Nigersaurus?

The color of Nigersaurus is unknown. Skin color is rarely preserved in dinosaur fossils.

33. How Many Vertebrae Did Nigersaurus Have?

Nigersaurus had a large number of vertebrae in its neck and back, as is typical of sauropods. These vertebrae provided support for its long neck and allowed for flexibility in its movements.

The exact number of vertebrae in Nigersaurus is still being studied, but it is estimated that it had around 13 cervical (neck) vertebrae and a large number of dorsal (back) vertebrae. These vertebrae were adapted for supporting the weight of its body and allowing for movement.

34. How Did Nigersaurus Breathe?

Nigersaurus likely had a complex respiratory system similar to that of modern birds. This system involved air sacs that extended throughout the body, allowing for efficient oxygen uptake.

The air sacs would have been connected to the lungs and would have helped to ventilate the lungs more efficiently than in mammals. This system would have allowed Nigersaurus to maintain a high metabolic rate, which was necessary for its active lifestyle.

35. Was Nigersaurus Warm-Blooded Or Cold-Blooded?

It is believed that Nigersaurus was warm-blooded, or endothermic. This means that it was able to regulate its body temperature internally, rather than relying on external sources of heat.

The evidence for warm-bloodedness in dinosaurs comes from several sources, including bone structure, growth rates, and comparisons with modern animals. It is believed that warm-bloodedness allowed dinosaurs to be more active and to live in a wider range of environments.

36. How Many Senses Did Nigersaurus Use?

Nigersaurus used all five senses: sight, hearing, smell, taste, and touch. However, the relative importance of each sense is not known.

It is likely that sight and smell were particularly important for finding food and avoiding predators. Hearing may have also been important for communication and detecting danger. Taste and touch may have played a role in selecting food and interacting with other individuals.

37. What Did The Brain Of Nigersaurus Look Like?

The brain of Nigersaurus was relatively small compared to its body size. However, it was still a complex organ that controlled its behavior and physiology.

The brain has been digitally reconstructed from CT scans of its skull. This reconstruction has provided insights into the size and shape of its brain, as well as the relative size of different brain regions.

38. How Fast Could Nigersaurus Run?

Nigersaurus was not built for speed and was likely a relatively slow-moving dinosaur. Its long neck and heavy body would have made it difficult to run quickly.

It is estimated that Nigersaurus could move at speeds of around 12 miles per hour. This would have been fast enough to escape from some predators, but it would not have been able to outrun faster dinosaurs.

39. Did Nigersaurus Live In A Herd?

There is evidence that Nigersaurus lived in herds. Fossil sites have been found with multiple Nigersaurus skeletons, suggesting that they lived in groups.

Living in herds would have provided several benefits, including increased protection from predators and improved access to resources. Herds may have also facilitated communication and social interactions.

40. How Do We Know About The Life Of Nigersaurus?

We know about the life of Nigersaurus through the study of its fossils. Paleontologists have carefully excavated and analyzed Nigersaurus bones, teeth, and other remains to learn about its anatomy, behavior, and ecology.

The study of fossils has allowed us to reconstruct the skeleton of Nigersaurus, to determine its size and shape, and to infer its feeding habits. Fossils have also provided clues about its habitat, its predators, and its social behavior.

41. What Were Baby Nigersaurus Like?

Baby Nigersaurus were likely small and vulnerable. They would have relied on their parents or other adults for protection and care.

Fossil evidence suggests that baby Nigersaurus had a similar body shape to adults, but with different proportions. They likely grew rapidly during their juvenile years.

42. How Did Nigersaurus Reproduce?

Nigersaurus reproduced by laying eggs. Dinosaur eggs have been found at fossil sites around the world, providing evidence of their reproductive habits.

It is likely that Nigersaurus laid its eggs in nests, similar to those of modern birds. The eggs would have been incubated by the parents until they hatched.

43. Where Can I See Nigersaurus Fossils?

You can see Nigersaurus fossils at several museums around the world, including:

  • The Field Museum in Chicago
  • The National Museum of Natural History in Paris
  • The Royal Ontario Museum in Toronto

These museums have Nigersaurus skeletons and other fossils on display, providing visitors with a chance to learn more about this fascinating dinosaur.

44. What Is The Scientific Classification Of Nigersaurus?

The scientific classification of Nigersaurus is as follows:

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Reptilia
  • Superorder: Dinosauria
  • Order: Saurischia
  • Suborder: Sauropodomorpha
  • Infraorder: Sauropoda
  • Family: Rebbachisauridae
  • Genus: Nigersaurus
  • Species: Nigersaurus taqueti

This classification places Nigersaurus within the sauropod group of dinosaurs, which includes some of the largest land animals that ever lived.

45. What Are The Key Characteristics That Define Nigersaurus?

The key characteristics that define Nigersaurus include:

  • More than 500 teeth
  • Teeth arranged in columns, with continuous replacement
  • Relatively small size compared to other sauropods
  • Habitat in what is now the Sahara Desert of Niger
  • Digital reconstruction of its skull from CT scans

These characteristics make Nigersaurus a unique and fascinating dinosaur.

46. How Did Nigersaurus Contribute To Our Understanding Of Paleontology?

Nigersaurus has contributed significantly to our understanding of paleontology by providing insights into dinosaur diversity, evolution, and ecology. Its unique features have helped to refine our understanding of sauropods and their adaptations.

The study of Nigersaurus fossils has also advanced our knowledge of fossil preservation, excavation techniques, and digital reconstruction methods. The Nigersaurus has played a key role in the advancement of paleontology.

47. What Were The Feet Of Nigersaurus Like?

The feet of Nigersaurus were broad and sturdy, adapted for supporting its weight. They had five toes on each foot, with claws on the first three toes.

The feet were similar to those of other sauropods, but with some unique features. The claws were relatively small and may have been used for traction on soft ground.

48. Did Nigersaurus Have Feathers?

There is no evidence that Nigersaurus had feathers. Feathers have been found on some other dinosaur species, but they have not been found on Nigersaurus fossils.

It is possible that Nigersaurus had scales or other types of skin coverings. However, the exact nature of its skin is unknown.

49. What Was The Range Of Nigersaurus?

The known range of Nigersaurus is limited to the Sahara Desert of Niger. Fossils have been found at several sites in this region, suggesting that it was relatively common in this area.

It is possible that Nigersaurus also lived in other parts of Africa, but no fossils have been found to confirm this.

50. How Do Scientists Know How Old Nigersaurus Fossils Are?

Scientists know how old Nigersaurus fossils are through a process called radiometric dating. This method involves measuring the amount of radioactive isotopes in the rocks surrounding the fossils.

Radioactive isotopes decay at a known rate, so by measuring the amount of the isotope remaining, scientists can determine the age of the rocks. This method is accurate to within a few million years, providing a reliable estimate of the age of the fossils.

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NigersaurusNigersaurus

Nigersaurus skeletal reconstruction showing its body proportions and distinctive features.

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