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Dinosaurs evolved from small archosaurs like Lagosuchusand Silesaurus around 230 million years ago during the Middle to Late Triassic period. Since then, they evolved into many groups.
Some examples of "dinosauromorphs" include:
- Asilisaurus
- Crosbysaurus
- Diodorus
- Dromomeron
- Eucoelophysis
- Galtonia
- Krzyzanowskisaurus
- Lagerpeton
- Lagosuchus
- Lewisuchus
- Lucianosaurus
- Marasuchus
- Pekinosaurus
- Pseudolagosuchus
- Sacisaurus
- Saltopus
- Scleromochlus
- Silesaurus
- Spondylospoma
- Technosaurus
- Teyuwasu
- Trialestes
Some of the earliest dinosaurs include:
- Agnosphitys
- Agrosaurus
- Blikanasaurus
- Camelotia
- Camposaurus
- Chromogisaurus
- Coelophysis
- Coloradisaurus
- Herrerasaurus
- Efraasia
- Eocursor
- Eoraptor
- Eucnemesaurus
- Euskelosaurus
- Guaibasaurus
- Isanosaurus
- Jacklapallisaurus
- Lessemsaurus
- Liliensternus
- Melanorosaurus
- Mussaurus
- Nambalia
- Pampadromaeus
- Panphagia
- Pantydraco
- Pisanosaurus
- Plateosauravus
- Plateosaurus
- Riojasaurus
- Ruehleia
- Staurikosaurus
- Saturnalia
- Thecodontosaurus
- Unaysaurus
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoDinosaurs evolved from erect, archosaurian reptiles. They first appeared 230 million years ago. The oldest known dinosaur fossils are small carnivores, such as Eoraptor and Coelphysis, and small, long necked herbivores called prosauropods.
Wiki User
∙ 12y agoFrom the fossil remains, it appears that most dinosaurs hatched from eggs, as do modern reptiles and birds.
Exceptions might have included some aquatic dinosaurs, which could have been viviparous like modern sharks.
Wiki User
∙ 11y agoit was said that two chemical element joined together with the electricity from lightining
Wiki User
∙ 12y agoSame as modern avian dinosaurs--the babies hatched from eggs.
Wiki User
∙ 14y agothey were just born here
Wiki User
∙ 14y agothe dinosaur age
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Where did fossile come from?
Dinosaurs
Are aligators dinosors?
No. While alligators are related to dinosaurs they are not dinosaurs.
Where did dinosaur fossils come from?
Dinosaurs
What family do dinosaurs come from?
Dinosaurs belong to the taxonomic group of reptiles known as Dinosauria. They are further categorized into various families, such as Tyrannosauridae, Stegosauridae, and Hadrosauridae, based on their specific characteristics and evolutionary relationships.
Did the Dimetrodon come before or with the dinosaurs?
Dimetrodon live in the Permian period, which was before the dinosaurs.
Which group of reptiles did dinosaurs come from?
all reptiles came from dinosaurs !!
Does the tuatara come from dinosaurs?
No. The tuatara is more closely related to lizards and snakes than it is to dinosaurs.
Did walking with dinosaurs come out before frozen?
Walking with dinosaurs came out before Frozen in 2013.
Did the dinosaurs come before BIble times?
YES, dinosaurs came long before Biblical times. When dinosaurs ruled the Earth there were no men.
Where were the dinosaurs when they come extic?
They went to heaven.
Can Dinosaurs come back to life with sausages?
No.
How did birds come to on earth?
They evolved from dinosaurs.
