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Amphibian

en.wikipedia.org/wiki/Amphibian

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern amphibians .... Ichthyostega was one of the first primitive amphibians, with nostrils and more efficient lungs. It had ...

Ancient Amphibians - EDGE of Existence :: Evolutionarily Distinct ...

www.edgeofexistence.org/amphibian_conservation/ancient_amphibians.php

Most of the distinctive characteristics of living amphibians – such as their ... The closest relatives of the first amphibians were lobe-finned fish related to modern ...

Fossil Record of the Amphibia

www.ucmp.berkeley.edu/vertebrates/tetrapods/amphibfr.html

The earliest well-known amphibian, Ichthyostega, was found in Late Devonian deposits in Greenland, dating back about 363 million years. The earliest ...

A New Approach to Earth History | 9. The first tetrapods

www.earthhistory.org.uk/recolonisation/first-amphibians

Nowhere is this more clearly seen than in the Devonian period, when the first amphibians appeared. What we see is orchestrated colonisation, at the very ...

Amphibians - Backyard Nature

www.backyardnature.net/amphibs.htm

The oldest amphibian fossils look like fish with thick, muscular fins. That's because amphibians arose from early fish. The first amphibians lived more in water ...

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 ...

www.ask.com/youtube?q=First Amphibians&v=AkqK2jdbduQ
Jan 23, 2016 ... The first major groups of amphibians developed in the Devonian period, around 370 million years ago, from lobe-finned fish which were similar ...

Geologic Time - EnchantedLearning.com

www.enchantedlearning.com/subjects/Geologictime.html

The first geologic time scale was proposed in 1913 by the British geologist Arthur ... mya (35% of all animal families die out, including labyrinthodont amphibians, ...

Geological time scale - HyperPhysics

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

First flowering plants. First birds. Dinosaurs dominant. .... Pennsylvanian and Mississippian Periods are collectively referred to as the "age of amphibians". By the ...

Reptiles and Amphibians Through the Ages - TeacherVision.com

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

Background information on the evolution of some reptiles and amphibians, ... The first radically different animals to arise from this lineage were the reptiles, ...

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300 Million Years of Amphibian Evolution - Dinosaurs - About.com

dinosaurs.about.com

During the Carboniferous period, over 300 million years ago, the first tetrapods evolved features that allowed them to prosper on land as well as in water.

Characteristics and Evolution of Amphibians - Boundless

www.boundless.com

The fossil record provides evidence of the first tetrapods: now-extinct amphibian species dating to nearly 400 million years ago. Evolution of tetrapods from ...

The evolution of amphibians: the conquest of the land | All you need ...

allyouneedisbiology.wordpress.com

May 7, 2015 ... Amphibians were the first group of vertebrates to develop limbs and to be able to leave the water to conquer the land. Even if they are seen as ...