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Mammal-like Reptiles
| Scientific Classification |
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Amniotes (tetrapod vertebrate animals with a terrestrially adapted eggs)
are traditionally divided into three categories:
- Anapsids - Animals with a box-like skull without openings.
This group includes the early reptiles of the Carboniferous and Permian
periods (and to a limited extent the
Triassic period),
and includes animals such Scutosaurus.
This group may also include turtles, however many scientists believe
that turtles are actually descended from Diapsid reptiles which lost
their skull openings.
- Diapsids - Reptiles with two temporal holes (fenestra) in their skulls,
and their descendents. This group includes archosaurs (including
crocodilians, dinosaur species
and birds), as well as lepidosaurs such as lizards, snakes, and sphenodonts
- even though many of these groups have lost one hole (lizards), both holes (snakes),
or have heavily modified skulls (birds).
- Synapsids (also sometimes known as "Theropsids") -
Animals with a single temporal opening (fenestra) in theirn skull
behind each eye. This group includes many reptiles, known as "mammal-like reptiles",
as well as mammals.
Some examples of mammal-like reptiles include
Cynodonts,
Dicynodonts,
Gorgonopsians (including Lystrosaurs),
Dinocephalians like
Estemmenosuchus,
Moschops and
Struthiocephalus,
as well as
Pelycosaurs like
Dimetrodon,
Edaphosaurus,
Sphenacodon, and
Varanosaurus.
Mammal-like Reptiles Timeline:
Mammal-like Reptiles were one of the main groups of amniotes, including the ancestors of all modern mammals, and lived between 324 and 100 million years ago
Related Information & Resources
See Also
Mammal-like Reptile Books
Here are some books from Amazon.com:
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By Paul D. MacLean & E. Carol Roth
Smithsonian
Released: December 17th, 1986
Paperback (326 pages)
 | List Price: $22.50*
Lowest Used Price: $20.44*
In Stock.*
*(As of 19:10 Pacific 10 Jul 2020 More Info)
Click Here | Description:
Ecology and Biology of Mammal-Like Reptiles- Manufacturer: Smithsonian
- ISBN: 0874745195
- EAN: 9780874745191
Details:- Paperback
- Edition: 1st Edition
- Number of Pages: 326
- Authors: Paul D. MacLean, Jan J. Roth, E. Carol Roth
- Publication Date: December 17th, 1986
- Release Date: December 17th, 1986
Physical Description:- Size: 11.0 Inches by 8.25 Inches by 0.75 Inches
- Weight: 2.11202846996 Pounds
Click here for more information |
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By Steve Huskey
Johns Hopkins University Press
Released: February 15th, 2017
Hardcover (360 pages)
 | Lowest New Price: $48.76*
In stock. Usually ships within 4 to 5 days.*
*(As of 19:10 Pacific 10 Jul 2020 More Info)
Click Here | Description:
The Skeleton Revealed: An Illustrated Tour of the Vertebrates- Manufacturer: Johns Hopkins University Press
- ISBN: 1421421488
- EAN: 9781421421483
- PartNumber: 46881042
Details:- Hardcover
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 360
- Author: Steve Huskey
- Publication Date: February 15th, 2017
- Release Date: February 15th, 2017
Physical Description:- Size: 10.25 Inches by 8.25 Inches by 1.0 Inches
- Weight: 2.55074837134 Pounds
Click here for more information |
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By Tish Rabe
Random House Books for Young Readers
Released: January 11th, 2011
Hardcover (48 pages)
 | List Price: $9.99*
Lowest New Price: $7.99*
In Stock.*
*(As of 19:10 Pacific 10 Jul 2020 More Info)
Click Here | Description:
Why Oh Why Are Deserts Dry?: All About Deserts (Cat in the Hat's Learning Library)- Manufacturer: Random House Books for Young Readers
- ISBNs: 0375858687, 9780375858680
- UPC: 884164256738
- EANs: 0884164256738, 9780375858680
- PartNumber: FBA-|282312
Details:- Hardcover
- Number of Pages: 48
- Author: Tish Rabe
- Publication Date: January 11th, 2011
- Release Date: January 11th, 2011
Physical Description:- Size: 9.25 Inches by 6.75 Inches by 0.32 Inches
- Weight: 0.45 Pounds
Click here for more information |
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Brighter Child
Released: May 16th, 2019
Cards (54 pages)
 | Lowest New Price: $2.99*
In Stock.*
*(As of 19:10 Pacific 10 Jul 2020 More Info)
Click Here | Description:
Carson Dellosa | Animals Flash Cards | Animal Facts for Kids, 54ct- Manufacturer: Brighter Child
- Brand: Brighter Child
- ISBN: 1483852822
- UPC: 044222274405
- EANs: 9781483852829, 0044222274405
- PartNumber: 734090
Details:- Product Category: Cards
- Number of Pages: 54
- Publication Date: May 16th, 2019
- Release Date: May 16th, 2019
Physical Description:- Size: 6.25 Inches by 3.25 Inches by 0.75 Inches
- Weight: 0.440924524 Pounds
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By T. S. Kemp
Academic Pr
Released: January 1st, 1983
Hardcover (363 pages)
| List Price: $139.00*
Lowest Used Price: $34.00*
In Stock.*
*(As of 19:10 Pacific 10 Jul 2020 More Info)
Click Here | Description:
Mammal-Like Reptiles and the Origin of Mammals- Manufacturer: Academic Pr
- ISBN: 0124041205
- EAN: 9780124041202
Details:- Hardcover
- Number of Pages: 363
- Author: T. S. Kemp
- Publication Date: January 1st, 1983
- Release Date: January 1st, 1983
Physical Description:- Weight: 1.32056894938 Pounds
Click here for more information |
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