Symmetrodont

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Bar graph of the United States Death Toll during major events. Infogram chart.

U.S. Death Toll During Major Events

Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

Moonrise over Tucson, Arizona

Why Doesn’t Arizona Observe Daylight Saving Time?

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

After a perfect launch, spectators try to catch a last glimpse of Space Shuttle Columbia, barely visible at the top end of the twisted column of smoke.

7 Accidents and Disasters in Spaceflight History

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Symmetrodont

mammal

Also known as: Symmetrodonta

Learn about this topic in these articles:

Spalacotherium genus

In Spalacotherium
The genus Spalacotherium has a symmetrodont dentition, characterized by molar teeth with three cusps arranged in a triangle. The symmetrodonts are among the oldest known mammals and also among the most common European faunas of the time.
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