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Therapsida are a group of Synapsids that include mammals and their immediate evolutionary ancestors. Synapsids are a group of reptiles with fossils aging from 320 to 100 Mya. This group includes mammals and, mammal like reptiles. These animals are classified differently than Sauropsids (birds and reptiles) because they have a single opening in their skull behind each eye (temporal fenestra) which is also true of modern mammals.
The best answer would be Therapsida.
What else can I help you with?
Is a Sumatran elephant a mammal or a reptile?
No, they're mammals.
Is the alligator a mammal?
No, an alligator is not a mammal. It is a reptile.
What class does a dog go does it go to mammal or reptile or amphibian?
All dogs are mammals.
Is a vulture a reptile or a mammal?
A lizard is a reptile for several reasons. It is cold-blooded, unlike mammals which are warm-blooded. Also, it lays eggs, whereas mammals do not, and it also does not have hair, which mammals do.
Is a crocodile a mammal?
No, a crocodile is not a mammal. It is a reptile, as it has scales, lays eggs, and is cold-blooded. Mammals are characterized by having hair or fur, giving birth to live young, and being warm-blooded.
A prehistoric reptile ancestor of mammals?
A prehistoric reptile ancestor is the therapsid.
Which reptile is the ancestor of mammals?
therapsids
What type of animal was the common ancestor of mammals and birds?
The common ancestor of mammals and birds was a reptile.
Were styxosauruses mammals?
Styxosaurus was not a mammal. It is a prehistoric marine reptile.
Is alligator a mammals?
No, an alligator is a reptile.
What is a nothosaur?
it is a prehistoric lizard-like reptile.
The reptile which was the ancestor of mammals can be classified as a?
There's a misconception at work here. The reptilian branch of evolution did not spawn the mammalian branch of evolution. You need to go back to the reptilian ancestor that was also a mammalian ancestor. We humans do have what is referred to as a reptilian brain, which is a small part of our whole brain.
Are fire belly toads mammals or reptile?
reptile
What is the ISBN of National Geographic Prehistoric Mammals?
The ISBN of National Geographic Prehistoric Mammals is 0792271343.
When was National Geographic Prehistoric Mammals created?
National Geographic Prehistoric Mammals was created in 2004.
What is the cavemans closest reptile ancestor?
It is a monkey
Is a walrus a reptile?
They are warmblooded Mammals
