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ReneThe Ichtyosthega I think the T-Rex Demuniacx's Answer: The T-rex was in the upper/late cretactuos period.In the carbiniferous period which was about a couple million years between both periods has the answer to the first dinosaur. The Arthropleura.
Well the oldest dinosaurs would have first appeared in the Triassic period 230 million years ago. I looked this up and this is what I found in my own words: One of the oldest is Eoraptor. although it is old their were some advanced skeletal feature's so there could be older ones.
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What is the largest dinosaur ever to live?
The largest dinosaur ever to live is believed to be Argentinosaurus, which could reach lengths of up to 100 feet and weigh as much as 100 tons. This massive herbivore lived during the Late Cretaceous period in what is now Argentina.
Where was the largest ever dinosaur bone found?
The largest dinosaur bone ever found was a thigh bone, or femur, of a Titanosaur in Patagonia, Argentina. This fossil was uncovered in 2014 and belongs to a species that lived around 100 million years ago.
What Dinosaur was the largest herbivore?
The largest herbivorous dinosaur was the Argentinosaurus. This dinosaur lived during the Late Cretaceous period and could reach lengths of up to 100 feet and weigh up to 100 tons. It is considered one of the largest land animals to have ever existed.
Biggest carnivore dinosaur?
The largest carnivorous dinosaur is believed to be the Spinosaurus, which could grow up to 50-60 feet in length and weigh over 20 tons. Its most distinctive feature was the sail-like structure on its back, and it primarily lived in North Africa around 95-93 million years ago.
What is the largest name of a dinosaur in the world?
The dinosaur with the longest name is "Micropachycephalosaurus" which means "small thick-headed lizard". It is a type of dinosaur that lived during the Late Cretaceous period.
