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Procolophonids
| Scientific Classification |
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Procolophonids were a group of
Anapsid reptiles (the same group of reptiles as turtles are traditionally
classified in) that lived during the Permian and
Triassic
periods. They survived until the end of the
Triassic.
Although they were not closely related to lizards, outwardly they
generally resembled stocky lizards. The key difference from lizards
is their Anapsid skulls - and a particular distinguishing feature of
Procolophonids were backward-pointing spikes found on their cheeks
(in the case of one genus, Hypsognathus,
there were many such spikes).
Earlier forms of Procolophonids generally had sharp pointed teeth, suggestive
of an insectivorous diet. However the teeth of later forms suggests a
herbivorous (plant-eating) diet.
One other interesting fact about Procolophonids is that they are (at the time
of writing) the earliest known Tetrapod to have reached the Antarctic
(during the early Triassic
period).

Procolophonids were Anapsid reptiles of the Permian and Triassic periods

Related Information & Resources
See Also

Procolophonid Books Here are some books from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
By Edwin H. Colbert
Dover Publications Paperback (256 pages)
 | List Price: $9.95* Lowest New Price: $6.00* Lowest Used Price: $0.02* Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your credit card will not be charged until we ship the item.* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here | Product Description:
Concise detailed review — amply illustrated — of the astonishing creatures that ruled the earth for some 180 million years, with particular emphasis on the tetrapods (four-legged vertebrates that lived during the years of reptilian dominance). Also examines interrelationships between amphibians and reptiles, birds and mammals, and between these creatures and their environments. |
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By Spencer G. Lucas
Columbia University Press Paperback (320 pages)
 | List Price: $57.00* Lowest New Price: $14.50* Lowest Used Price: $12.50* Usually ships in 24 hours* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here | Product Description:
The literature on Chinese fossil vertebrates is extremely difficult for Western scholars to assimilate and interpret. In part, this is because much of that literature is in Chinese, and few useful reviews exist in Western languages. Yet China has an extensive vertebrate fossil record, one that plays a key role in understanding the evolution of vertebrates. Spencer Lucas gives an up-to-date review and synthesis of the Chinese vertebrate fossil record that will greatly facilitate an understanding of and further research into this outstanding fossil record. The book provides the reader with a comprehensive, chronologically ordered review of China's vertebrate fossil record. It also presents a history of vertebrate paleontological studies in China and an entrée to some important issues of systematics, evolutionary history, paleoecology, taphonomy, and functional anatomy best elucidated by China's fossils. This volume should therefore become an indispensable part of the library of any student of vertebrate evolution. (Fossil News ) |
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Cambridge University Press Paperback (448 pages)
 | List Price: $83.99* Lowest New Price: $24.01* Lowest Used Price: $14.99* Usually ships in 24 hours* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here | Product Description: This book is the first attempt to collate all the information known to date on the small vertebrates, e.g. mammals, crocodiles, turtles, lizards, frogs, salamanders, etc., and features contributions by experts with international reputations in their fields. There are chapters on the taxonomy and phylogeny of the key vertebrate groups followed by a section dealing with the most significant fossiliferous assemblages worldwide. The final section looks at how faunal turnover at this time is measured and examines the possibility of mass extinctions. |
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By Alfred Sherwood Romer
Krieger Pub Co Hardcover (800 pages)
 | List Price: $146.85* Lowest New Price: $146.85* Lowest Used Price: $116.95* Usually ships in 24 hours* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here | Product Description: Based on the work of Samuel Wendell Williston and Dr. W. K. Gregory, author and editor of the original title published in 1925, this volume consists of two major portions -- a structure-by-structure account of the reptile skeleton, followed by a classification of the various reptile groups based on osteological characters. It was designed to give in outline form an account of the nature of the skeletal system of numerous reptile types living and extinct. |
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Cambridge University Press Paperback (740 pages)
 | List Price: $151.00* Lowest New Price: $146.18* Lowest Used Price: $146.16* Usually ships in 24 hours* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here | Product Description: The former Soviet Union covers a vast area of land, and over the last 200 years, many dozens of extraordinary dinosaurs and other fossil amphibians, reptiles, birds and mammals have been found in Mesozoic rocks in its territories. The Permo-Triassic of the Ural Mountains of Russia have produced hundreds of superb specimens, and many of the dinosaurs from Mongolia are unique. This is the first compilation in any Western language of this large body of Russian research and the first time so much of this research, previously unexplored by the West, has been introduced in English. The Age of Dinosaurs in Russia and Mongolia is written by a unique mix of Russian and Western palaeontologists, and provides an entrée to a range of fossil faunas, in particular reptiles, that have been little known outside Russia. It will undoubtedly become a major reference work for all vertebrate palaeontologists. |
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By W. Sargeant
Routledge Paperback (128 pages)
 | List Price: $44.95* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here |
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By Edwin Harris Colbert
American Museum of Natural History Paperback (19 pages)
| Lowest Used Price: $8.00* *(As of 12:08 Pacific 21 May 2012 More Info)
Click Here |
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