Symmetrodonta
Symmetrodonta (subclass Theria, infraclass Pantotheria) An extinct order of mammals which lived during the late Jurassic and early Cretaceous and which may have appeared toward the end of the Triassic, making them among the earliest mammals known. They had molar teeth with three cusps arranged in symmetrical triangles. They were very small and probably were predators. They are believed to be ancestral to the Metatheria and Eutheria.
Symmetrodonta
Symmetrodonta (infraclass Pantotheria) Extinct order of mammals which lived during the late Jurassic and early Cretaceous; they may have appeared toward the end of the Triassic, making them among the earliest mammals known. They had molar teeth with three cusps arranged in symmetrical triangles. They were very small and probably were predators. They are believed to be ancestral to the marsupial and placental mammals. See also MARSUPIALIA; and EUTHERIA.
More From encyclopedia.com
Glycoside , Learn more about citation styles
Citation styles
Encyclopedia.com gives you the ability to cite reference entries and articles according to common st… Malacostracans , Learn more about citation styles
Citation styles
Encyclopedia.com gives you the ability to cite reference entries and articles according to common st… Nitrobenzene , Learn more about citation styles
Citation styles
Encyclopedia.com gives you the ability to cite reference entries and articles according to common st… Reservoir Pool , Learn more about citation styles
Citation styles
Encyclopedia.com gives you the ability to cite reference entries and articles according to common st… Cattail , Learn more about citation styles
Citation styles
Encyclopedia.com gives you the ability to cite reference entries and articles according to common st… Outer Ear , Learn more about citation styles
Citation styles
Encyclopedia.com gives you the ability to cite reference entries and articles according to common st…
About this article
Symmetrodonta
All Sources -
You Might Also Like
NEARBY TERMS
Symmetrodonta