Dryolestidae
Dryolestidae Temporal range: Middle Jurassic-Late Cretaceous | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Subclass: | Theria |
Order: | Dryolestida |
Family: | †Dryolestidae Marsh, 1879 |
Genera | |
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Dryolestidae was an abundant and diverse group of Mesozoic mammals. These mammals were different from their relatives by having the following two characteristics:
- Their upper and lower molars were shortened mesiodistally and widened labiolingually.
- The anterior root of lower molars were more robust and bigger.
Further reading
- Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure (New York: Columbia University Press, 2004), 380-382.
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