Ecteniniidae
| Ecteniniidae Temporal range: Late Triassic, Norian |
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| Life restoration of the ecteniniid Trucidocynodon riograndensis | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | Therapsida |
| Suborder: | Cynodontia |
| Parvorder: | Probainognathia |
| Family: |
†Ecteniniidae Martínez et al., 2013 |
| Genera | |
Ecteniniidae is an extinct family of probainognathian cynodonts from the Triassic of South America. They are notable for their large size, as well as for being among the first synapsids with speciations towards cursoriality.
Below is a cladogram from Martínez et al. (2013):
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