Symmetrodonta
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Phylum | Chordata |
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Rank | Order |
Date of Reg. | |
Date of Upd. | |
ID | 2939648 |
About Symmetrodonta
Symmetrodonta is a group of Mesozoic mammals and mammal-like synapsids characterized by the triangular aspect of the molars when viewed from above and the absence of a well-developed talonid. The traditional group of 'symmetrodonts' ranges in age from the latest Triassic to the Late Cretaceous.