“Lawn Mower” Dinosaur Debuts | National Geographic

I’m gonna tell a story from the mesozoic

I’m gonna tell a story from the mesozoic today and for that we need a Mesozoic

today and for that we need a Mesozoic

today and for that we need a Mesozoic stage that’s about 110 million year old

stage that’s about 110 million year old

stage that’s about 110 million year old dinosaur dubbed the fern mower for its

dinosaur dubbed the fern mower for its

dinosaur dubbed the fern mower for its bizarrely shaped mouth and delicate

bizarrely shaped mouth and delicate

bizarrely shaped mouth and delicate skull was unveiled at the National

skull was unveiled at the National

skull was unveiled at the National Geographic Society the dinosaur known as

Geographic Society the dinosaur known as

Geographic Society the dinosaur known as the nietzsche source to kate i was found

the nietzsche source to kate i was found

the nietzsche source to kate i was found in the Sahara by National Geographic

in the Sahara by National Geographic

in the Sahara by National Geographic explorer-in-residence Paul Sereno a

explorer-in-residence Paul Sereno a

explorer-in-residence Paul Sereno a paleontologist and professor at the

paleontologist and professor at the

paleontologist and professor at the University of Chicago Sereno had been

University of Chicago Sereno had been

University of Chicago Sereno had been piecing the dinosaur together since the

piecing the dinosaur together since the

piecing the dinosaur together since the 1990s this was an incredibly strange

1990s this was an incredibly strange

1990s this was an incredibly strange animal with a mouth that extent expanded

animal with a mouth that extent expanded

animal with a mouth that extent expanded like a vacuum cleaner hundreds of teeth

like a vacuum cleaner hundreds of teeth

like a vacuum cleaner hundreds of teeth in the skull it was probably taking

in the skull it was probably taking

in the skull it was probably taking propping vegetation close to the ground

propping vegetation close to the ground

propping vegetation close to the ground we were able to determine you know it

we were able to determine you know it

we were able to determine you know it was very clearly something new the

was very clearly something new the

was very clearly something new the animal which measured around 50 feet in

animal which measured around 50 feet in

animal which measured around 50 feet in length sustained its huge size by mowing

length sustained its huge size by mowing

length sustained its huge size by mowing down mouthfuls of greenery using his

down mouthfuls of greenery using his

down mouthfuls of greenery using his featherweight skull armed with hundreds

featherweight skull armed with hundreds

featherweight skull armed with hundreds of needle shaped teeth the dinosaurs

of needle shaped teeth the dinosaurs

of needle shaped teeth the dinosaurs strangest feature was a broad straight

strangest feature was a broad straight

strangest feature was a broad straight edged muzzle which allowed its mouth to

edged muzzle which allowed its mouth to

edged muzzle which allowed its mouth to work close to the ground unlike any

work close to the ground unlike any

work close to the ground unlike any other herbivore neosaurus had more than

other herbivore neosaurus had more than

other herbivore neosaurus had more than 30 columns of teeth lined up tightly

30 columns of teeth lined up tightly

30 columns of teeth lined up tightly along the front edge of its squared-off

along the front edge of its squared-off

along the front edge of its squared-off jaw even more unusual cat scans of the

jaw even more unusual cat scans of the

jaw even more unusual cat scans of the jaw bone revealed replacement teeth

jaw bone revealed replacement teeth

jaw bone revealed replacement teeth stacked behind each cutting tooth the

stacked behind each cutting tooth the

stacked behind each cutting tooth the animal had more than 500 teeth with

animal had more than 500 teeth with

animal had more than 500 teeth with stacks of up to 10 teeth in one line

stacks of up to 10 teeth in one line

stacks of up to 10 teeth in one line erupting from a single point in the jaw

erupting from a single point in the jaw

erupting from a single point in the jaw the bones of the nija source were

the bones of the nija source were

the bones of the nija source were discovered in 1976 by french

discovered in 1976 by french

discovered in 1976 by french paleontologists though the species was

paleontologists though the species was

paleontologists though the species was not named Sereno and his team honored

not named Sereno and his team honored

not named Sereno and his team honored this early work by naming the species

this early work by naming the species

this early work by naming the species after french paleontologist philippe

after french paleontologist philippe

after french paleontologist philippe Takei the nija source is on display at

Takei the nija source is on display at

Takei the nija source is on display at the National Geographic museum in

the National Geographic museum in

the National Geographic museum in Explorers Hall in Washington DC through

Explorers Hall in Washington DC through

Explorers Hall in Washington DC through March of 2008