Synapsid: Difference between revisions
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==Pelycosauria== | ==Pelycosauria== | ||
Pelycosauria was the earliest and most primitive of the synapsida reptiles, and thought to have roamed the earth as early as 300 million years ago during the Late Carboniferous. | |||
==Therapsida== | ==Therapsida== | ||
Revision as of 19:26, 8 March 2008
Synapsida was a pre-mammalian reptile and believed to be the ancestor of mammals due to the similar shape of their skulls. Synapsida were the dominant land animals of the Late Carboniferous (Pennsylvanian) period to the Permian period which we start to see from about 300 million years ago, though they were more abundant and more diversified in the beginning of the Permian period, around 270 million years ago.
Classification
Pelycosauria
Pelycosauria was the earliest and most primitive of the synapsida reptiles, and thought to have roamed the earth as early as 300 million years ago during the Late Carboniferous.
Therapsida
The Skull
Dentition
Warm Bloodedness
The Limbs
Breathing
Insulation
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