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Apr 15, 1000
Seperation of the ancestors of the salamander
As time went on, the Gerobatrachus hottoni began to seperate into frogs and salamanders. Some of them began to walk more but also stay in the water,which evolved into frogs, bust some of them mostly stayed in the water which caused them to evolve with much shorter legs, which became the salamander. -
Eastern red-backed salamander
The Eastern red backed salamander is found in wooden slopes in eastern North America. It is about 10 centimeters. The salamander is polymorphism which means that is has a pattern in it that is a different color, such as its red back or red stripe. -
Prionosuchus
Around 200 million years ago, a large amphibian like creature named Prionosuchus. It was roughly around 15 meters long and mostly lived in the water but also had small legs for walking on land as well. -
Metoposaurus
The next ancestor was the Metoposaurus. The Metoposaurus was arond 2 meters long and weighed as much as a human. They are also the closest relatives to newts, frogs,toads, and salamanders. They also began to walk more on land as theyre legs began to develop more and the tail that they had to swim began to disapear -
Gerobatrachus hottoni
The Gerobatrachus hottoni,translated to Hotton's old frog, was a salamander like creature but had the head of a frog. THe Gerobatrachus hottoni lived around 280 million years ago and is one of the key elements to saying that frogs and salamanders are closley related. -
Micromelerpeton
Micromelerpeton is the first discovered ancestor of many amphibians, Espically the salamander. Micromelerpeton is also the first ancestor too also show characteristics of limb regeneration and preaxial dominance.
