Extinct Species

noun a prehistoric reptile that lived millions of years ago

• The paleontologist discovered a new species of dinosaur in the fossil record.
• My little cousin loves playing with his toy dinosaur figures.
• That movie was so old, it felt like watching dinosaurs on screen.
• Her outdated fashion sense makes her look like a dinosaur in modern times.

noun a genre of art that depicts prehistoric life, often based on fossil evidence and scientific knowledge

• Paleoart is a form of artistic representation depicting prehistoric life.
• I love looking at paleoart because it shows what dinosaurs might have looked like.
• Check out this cool paleoart of a T-rex hunting its prey!
• His room was like a museum with all the paleoart on the walls.

noun a type of large carnivorous dinosaur that lived during the late Jurassic period

• The allosaurus was a large carnivorous dinosaur that roamed the Earth during the late Jurassic period.
• Did you know that the allosaurus was one of the biggest meat-eating dinosaurs?
• That allosaurus was a real beast, huh?
• Facing that challenge felt like going up against an allosaurus in the wild.

noun an extinct marine reptile of the Mesozoic era, resembling a dolphin with a long pointed snout and four flippers

adjective related to or resembling an ichthyosaurus

• The ichthyosaurus was a marine reptile that lived during the Mesozoic era.
• Have you seen the fossil of the ichthyosaurus at the museum?
• That ichthyosaurus is one cool sea dino!
• Her graceful swimming reminded me of an ichthyosaurus gliding through the water.

noun a type of carnivorous dinosaur that walked on two legs

adjective describing characteristics of theropods

• The theropod dinosaur is known for its bipedal stance and sharp teeth.
• Hey, did you know that a T-Rex is a type of theropod?
• Check out that cool theropod toy I got from the store!
• The CEO was like a theropod, always ready to pounce on any new business opportunity.

noun a type of herbivorous dinosaur that lived during the late Cretaceous period, characterized by a bony frill at the back of the skull and a beak-like mouth

• The ceratopsid dinosaurs were known for their distinctive frilled skulls and horns.
• Have you seen that cool ceratopsid dinosaur skeleton at the museum?
• That ceratopsid dino is totally rad!
• Her ceratopsid-like ability to detect danger saved her from a potential threat.

noun a type of extinct flying reptile from the Mesozoic era

• The pterosaur was a flying reptile that lived during the time of the dinosaurs.
• Did you know that pterosaurs were actually not dinosaurs, but flying reptiles?
• That pterosaur was one cool flying lizard!
• Her imagination soared like a pterosaur in flight.

noun a type of large predatory dinosaur belonging to the Tyrannosauridae family

• The new fossil discovery was identified as a tyrannosaurid, a type of large carnivorous dinosaur.
• I heard that they found a tyrannosaurid fossil out in the desert.
• Check out this cool tyrannosaurid bone I found while hiking!
• His boss was like a tyrannosaurid, always breathing down his neck and demanding perfection.

noun aurochs

• The aurochs was a large, extinct species of wild cattle that once roamed Europe.
• I read that the aurochs was like a huge, ancient cow.
• Those aurochs were the OG cows back in the day.
• The aurochs symbolizes the untamed power of nature.

noun a type of large, herbivorous dinosaur with a long neck and tail, four sturdy legs, and a small head

• The sauropod was a type of herbivorous dinosaur with a long neck and tail.
• Did you know that sauropods were some of the largest dinosaurs to ever roam the Earth?
• That sauropod was a real giant compared to the other dinosaurs.
• The sauropod of a problem in our project was the lack of communication between team members.

noun aetosaur - a type of extinct reptile that lived during the Triassic period

• The aetosaur is an extinct group of heavily armored, quadrupedal herbivorous archosaurs.
• Did you know that the aetosaur was like a prehistoric tank with its thick armor?
• That aetosaur was one tough cookie back in the day!
• Facing that challenge was like going up against an aetosaur - daunting and intimidating.