Facts about Mammal-like Reptiles, an extinct prehistoric animal

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Dinosaur Jungle   >   Other Prehistoric Animals   >   Mammal-like Reptiles

Mammal-like Reptiles



Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Synapsida
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

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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Ecology and Biology of Mammal-Like Reptiles
By Paul D. MacLean & E. Carol Roth

Smithsonian
Released: December 17th, 1986
Paperback (326 pages)

Ecology and Biology of Mammal-Like Reptiles
List Price: $22.50*
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Description:
Ecology and Biology of Mammal-Like Reptiles
  • Manufacturer: Smithsonian
  • ISBN: 0874745195
  • EAN: 9780874745191
Details:
  • Paperback
  • Edition: First 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
Mammal-Like Reptiles and the Origin of Mammals
By T. S. Kemp

Academic Pr
Hardcover (363 pages)

Mammal-Like Reptiles and the Origin of Mammals
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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
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Wildlife of Ecuador: A Photographic Field Guide to Birds, Mammals, Reptiles, and Amphibians (Wildlife Explorer Guides)
By Andrés Vásquez Noboa

Princeton University Press
Released: May 30th, 2017
Paperback (288 pages)

Wildlife of Ecuador: A Photographic Field Guide to Birds, Mammals, Reptiles, and Amphibians (Wildlife Explorer Guides)
List Price: $32.00*
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Description:
Wildlife of Ecuador: A Photographic Field Guide to Birds, Mammals, Reptiles, and Amphibians (Wildlife Explorer Guides)
  • Manufacturer: Princeton University Press
  • Brand: Princeton University Press
  • ISBN: 0691161364
  • EAN: 9780691161365
  • PartNumber: 9780691161365
Details:
  • Paperback
  • Edition: First Edition
  • Number of Pages: 288
  • Author: Andrés Vásquez Noboa
  • Publication Date: May 30th, 2017
  • Release Date: May 30th, 2017
Physical Description:
  • Size: 8.5 inches by 6.0 inches by 1.0 inches
  • Weight: 2.314853751 pounds
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What Do You Do with a Tail Like This?
By Steve Jenkins

Clarion
Released: March 18th, 2008
Paperback (32 pages)

What Do You Do with a Tail Like This?
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Description:
What Do You Do with a Tail Like This?
  • Manufacturer: Clarion Books
  • Brand: Clarion
  • ISBN: 061899713X
  • EAN: 9780618997138
  • PartNumber: 9780618997138
Details:
  • Paperback
  • Format: Picture Book
  • Edition: Reprint
  • Number of Pages: 32
  • Authors: Steve Jenkins, Robin Page
  • Publication Date: March 18th, 2008
  • Release Date: March 18th, 2008
Physical Description:
  • Size: 9.75 inches by 9.75 inches by 0.12 inches
  • Weight: 2.314853751 pounds
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THE BOOK OF PREHISTORIC ANIMALS: WHERE THE EXTINCT REPTILES, MAMMAL-LIKE REPTILES, BIRDS, AND MAMMALS CAME FROM
By Raymond L. (illustrated by Helene Carter) Ditmars

J. B. Lippincott Company
Hardcover (0 pages)

THE BOOK OF PREHISTORIC ANIMALS: WHERE THE EXTINCT REPTILES, MAMMAL-LIKE REPTILES, BIRDS, AND MAMMALS CAME FROM
Lowest Used Price: $149.00*
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Description:
THE BOOK OF PREHISTORIC ANIMALS: WHERE THE EXTINCT REPTILES, MAMMAL-LIKE REPTILES, BIRDS, AND MAMMALS CAME FROM
  • Manufacturer: J. B. Lippincott Company
Details:
  • Hardcover
  • Edition: no statement of edition
  • Number of Pages: 0
  • Author: Raymond L. (illustrated by Helene Carter) Ditmars
Physical Description:
  • Weight: 1.01 pounds
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The mammal-like reptile Lycaenops (Bulletin of the American Museum of Natural History, v. 89, article 6)
By Edwin Harris Colbert

[American Museum of Natural History]
Unknown Binding (404 pages)

The mammal-like reptile Lycaenops (Bulletin of the American Museum of Natural History, v. 89, article 6)
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Description:
The mammal-like reptile Lycaenops (Bulletin of the American Museum of Natural History, v. 89, article 6)
  • Manufacturer: [American Museum of Natural History]
Details:
  • Product Category: Unknown Binding
  • Number of Pages: 404
  • Author: Edwin Harris Colbert
Click here for more information
Beasts Before Us: The Untold Story of Mammal Origins and Evolution
By Elsa Panciroli

Bloomsbury Sigma
Released: September 7th, 2021
Hardcover (320 pages)

Beasts Before Us: The Untold Story of Mammal Origins and Evolution
List Price: $28.00*
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Description:
Beasts Before Us: The Untold Story of Mammal Origins and Evolution
  • Manufacturer: Bloomsbury Sigma
  • ISBN: 1472983823
  • EAN: 9781472983824
Details:
  • Hardcover
  • Number of Pages: 320
  • Author: Elsa Panciroli
  • Publication Date: September 7th, 2021
  • Release Date: September 7th, 2021
Physical Description:
  • Size: 9.5 inches by 6.3200661 inches by 1.2200763 inches
  • Weight: 2.314853751 pounds
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On the Origin of the Mammal-like Reptiles Volume 1907 1907 [Leather Bound]
By R Broom

Generic
Released: January 1st, 2017
Unknown Binding (21 pages)

On the Origin of the Mammal-like Reptiles Volume 1907 1907 [Leather Bound]
Lowest New Price: $59.99*
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Description:
On the Origin of the Mammal-like Reptiles Volume 1907 1907 [Leather Bound]
  • Manufacturer: Generic
Details:
  • Product Category: Unknown Binding
  • Number of Pages: 21
  • Author: R Broom
  • Publication Date: January 1st, 2017
  • Release Date: January 1st, 2017
Physical Description:
  • Size: 0.08267716527 inches by 8.99999999082 inches by 5.7480314902 inches
Click here for more information
Reference wildlife book for sketches containing animals like mammals, birds and reptiles 8.27 x 11.69 in
By Gligor Andrei Lazar

Independently published
Released: March 10th, 2024
Paperback (101 pages)

Reference wildlife book for sketches containing animals like mammals, birds and reptiles 8.27 x 11.69 in
Lowest New Price: $17.00*
In Stock*
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Description:
Reference wildlife book for sketches containing animals like mammals, birds and reptiles 8.27 x 11.69 in
  • Manufacturer: Independently published
  • EAN: 9798884355545
Details:
  • Paperback
  • Format: Large Print
  • Number of Pages: 101
  • Author: Gligor Andrei Lazar
  • Publication Date: March 10th, 2024
  • Release Date: March 10th, 2024
Physical Description:
  • Size: 11.69 inches by 8.27 inches by 0.24 inches
Click here for more information
A MOUNTED SKELETON OF THE MAMMAL-LIKE REPTILE DICYNODON TIGRICEPS
By Everett C Olson

J Geol
Pamphlet

A MOUNTED SKELETON OF THE MAMMAL-LIKE REPTILE DICYNODON TIGRICEPS
Lowest Used Price: $6.90*
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Description:
A MOUNTED SKELETON OF THE MAMMAL-LIKE REPTILE DICYNODON TIGRICEPS
  • Manufacturer: J Geol
Details:
  • Product Category: Pamphlet
  • Author: Everett C Olson
Click here for more information
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