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Tyrannosaurus Rex

How big did it get? One of the largest theropod dinosaurs, with lengths up to 40 feet and estimated weights exceeding 9 tons.
When did it live?  Late Cretaceous period, approximately 68 to 66 million years ago.
Where did it live?  Fossils found in North America, particularly in present-day Montana, Wyoming, and South Dakota..
What did it eat? Carnivorous, likely preying on a variety of large herbivorous dinosaurs.
Interesting facts? T. rex is one of the most iconic dinosaurs, known for its powerful jaws, serrated teeth, and short, stubby arms. It is considered one of the apex predators of its time.

Triceratops

How big did it get?  Approximately 9 meters (30 feet) in length and weighing up to 12 tons.
When did it live?  Late Cretaceous period, around 68 to 66 million years ago.
Where did it live? Fossils found in North America, particularly in the western United States.
What did it eat? Herbivorous, feeding on low-lying vegetation with its distinctive beak and teeth.
Interesting facts? Triceratops is well-known for its three facial horns and frill, which likely served defensive and display purposes. It coexisted with and may have been preyed upon by T. rex.

Velociraptor

How big did it get? Approximately 6 feet in length.
When did it live?  Late Cretaceous period, around 85 to 70 million years ago.
Where did it live? Fossils found in Mongolia and China.
What did it eat? Carnivorous, likely hunting in packs and preying on smaller animals.
Interesting facts? Velociraptor was a small, agile predator with a distinctive sickle-shaped retractable claw on each foot. It played a significant role in the development of the "raptor" archetype in popular culture.

Ankylosaurus

How big did it get? Approximately 20 feet in length, heavily armored with a bony tail club.
When did it live? Late Cretaceous period, around 68 to 66 million years ago.
Where did it live?  Fossils found in North America, specifically in present-day Montana, Wyoming, and Alberta.
What did it eat?  Herbivorous, using its beak to graze on vegetation.
Interesting facts? Ankylosaurus was a heavily armored dinosaur with a unique tail club, possibly used for defense against predators.

Spinosaurus

How big did it get? One of the largest known theropod dinosaurs, with estimated lengths up to 50-59 feet.
When did it live? Cretaceous period, around 112 to 93 million years ago.
Where did it live? Fossils found in North Africa, specifically in Egypt and Morocco.
What did it eat? Carnivorous, likely preying on fish and other aquatic animals.
Interesting facts? Spinosaurus is unique among theropods for its adaptations to a semi-aquatic lifestyle, featuring elongated jaws and potentially being a proficient swimmer.

Parasaurolophus

How big did it get? Approximately 30 feet in length, with a distinctive hollow crest on its head.
When did it live? Late Cretaceous period, around 76 to 73 million years ago.
Where did it live?  Fossils found in North America, particularly in present-day Alberta, Canada, and New Mexico, USA.
What did it eat? Herbivorous, likely feeding on low-lying vegetation.
Interesting facts? Parasaurolophus is recognized for its elaborate head crest, which may have been used for communication or thermoregulation.

Deinonychus

How big did it get? Approximately 11 feet in length.
When did it live? Early Cretaceous period, around 115 to 108 million years ago.
Where did it live? Fossils found in North America, specifically in Montana, Utah, and Wyoming.
What did it eat? Carnivorous, likely hunting in packs and preying on smaller dinosaurs.
Interesting facts? Deinonychus is often considered a close relative to Velociraptor and is characterized by its sharp, curved claws and agile hunting behavior. These dinosuars were about the twice the size of the velociraptors.

 

Maiasaura

How big did it get? Approximately 30 feet in length.
When did it live?  Late Cretaceous period, around 76 to 73 million years ago.
Where did it live? Fossils found in North America, specifically in present-day Montana.
What did it eat? Herbivorous, with a diet primarily consisting of vegetation, particularly ferns and conifers.
Interesting facts? Maiasaura is known for its parental care, with evidence of nesting colonies and the presence of fossilized hatchlings suggesting nurturing behavior towards their young.