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meaning: "Four horned face"
Named By: Matthew in 1908
Time Period: Leonardian stage, 275 Ma
Location: USA, Texas
Size: Skull is 9 centimetres long. Total body length unknown due to lack of fossil material
Diet: Carnivore
Fossil(s): Single skull
Classification: | Chordata | Synapsida | Tetraceratopsidae |

Tetraceratops insignis ("four-horned face emblem") is an extinct synapsid from the Early Permian that may be the first known representative of Therapsida, a group that includes mammals and their close extinct relatives. It is known from a single 90 mm (3.5 in) long skull, discovered in Texas in 1908.

Read more about Tetraceratops at Wikipedia
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