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Evolution of reptiles - Wikipedia

en.wikipedia.org/wiki/Evolution_of_reptiles

Reptiles arose about 310–320 million years ago during the Carboniferous period . Reptiles, in ... Reptiles first arose from amphibians in the swamps of the late Carboniferous. Increasing evolut...

The First Reptiles - The Story of Reptile Evolution - Dinosaurs

dinosaurs.about.com/od/typesofdinosaurs/fl/The-First-Reptiles.htm

We all know how the old story goes: Fish evolved into tetrapods, tetrapods evolved into amphibians, and amphibians evolved into reptiles. It's a gross ...

Evolution of Reptiles - Boundless

www.boundless.com/biology/textbooks/boundless-biology-textbook/vertebrates-29/reptiles-174/evolution-of-reptiles-673-11895/

One of the oldest-known amniotes is Casineria, which had both amphibian and reptilian characteristics. One of the earliest undisputed reptiles was Hylonomus.

Reptile Evolution

reptileevolution.com/

A chronology of Carboniferous and Permian reptiles based on the fossil record. Ghosted names represent likely first appearances of certain fossil taxa based on  ...

When did reptiles first appear? | Reference.com

www.reference.com/science/did-reptiles-first-appear-d47b12e9c2f0f32a

The first true reptiles were either the amphibian-like and possibly transitional Westlothiana, which appeared about 350 million years ago, or the lizard-like ...

Reptiles and Amphibians Through the Ages - TeacherVision.com

www.teachervision.com/reptiles/resource/8702.html

The earliest amphibians appear in fossils that are over 370 million years old, whereas reptiles date back around 320 million years. Interestingly, over a geologic ...

Reptile and Amphibian Evolution - Michelle Caldwell

www.michellecaldwell.com/linkfiles/scaredcricket/articles/other/evolution.html

Brief Outline of the Evolution of Reptiles and Amphibians part one - The Paleozoic Era. ... The first fishes to develop lungs were the lobe-finned fishes called ...

The Evolution of Mammals - The Earth Life Web

www.earthlife.net/mammals/evolution.html

The Mammal-like Reptiles, or Therapsids first appeared about 285 million years ago near the begiining of the Permian which is well before the dinosaurs.

The History of Life - Reptiles

www2.fiu.edu/~longoria/gly1101/Mz-reptiles.htm

The thecodonts first appeared during the Early Triassic and became extinct at the ... Anapsids: no holes on side of skull (turtles, extinct primitive [stem] reptiles).

Geological time scale - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/Geophys/geotime.html

Dinosaurs and other reptiles were the dominant species. The Jurassic Period saw the first appearance of birds. It appears that a shallow sea again invaded ...

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Hylonomus: The Earliest Reptile: Natural History Notebooks

nature.ca

Notes and images of Hylonomus (the earliest reptile), updated from the Canadian Museum of Nature's Natural History Notebooks series.

Earliest evidence for reptiles - Phys.org

phys.org

Oct 17, 2007 ... Newly discovered fossilised footprints provide the earliest evidence yet for the evolution of reptiles – a major event in the history of life. They are ...

Geologic Time - EnchantedLearning.com

www.enchantedlearning.com

The first dinosaurs, mammals, and crocodyloformes appear. Mollusks are the dominant invertebrate. Many reptiles, for example, turtles, ichthyosaurs. True flies  ...