Order Therapsida | Phylum Chordata Suborder Cynodontia Higher classification Epicynodontia | |
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Infraorder EucynodontiaKemp, 1982 Lifespan Human: 79 years, Cat: 12 – 18 years Height Human: 1.7 m, Cat: 23 – 25 cm, Gray wolf: 80 – 85 cm Mass Cat: 3.6 – 4.5 kg, Gray wolf: 30 – 80 kg, Lion: 190 kg Gestation period Cat: 64 – 67 days, Gray wolf: 62 – 75 days Speed Human: 45 km/h, Gray wolf: 50 – 60 km/h, Lion: 80 km/h Lower classifications Mammal, Opossum, Sloth, Bear, Hamster | ||
Eucynodontia ("true dog teeth") is a clade of cynodont therapsids including mammals and most non-mammalian cynodonts. The oldest eucynodonts are known from the Early Triassic and possibly Late Permian. Eucynodontia includes two major subgroups, Cynognathia and Probainognathia.
References
Eucynodontia Wikipedia(Text) CC BY-SA