Ecteniniidae
Temporal range: Late Triassic, Norian
Life restoration of the ecteniniid Trucidocynodon riograndensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Clade: Probainognathia
Family: †Ecteniniidae
Martínez et al., 2013
Genera

Ecteniniidae is an extinct family of probainognathian cynodonts from the Triassic of South America.[1] They are notable for their large size,[1][2] as well as for being among the first synapsids with specializations towards cursoriality.[3]

Phylogeny

Below is a cladogram from Martínez et al. (2013):[1]

Cynodontia 

Procynosuchus

Galesaurus

Thrinaxodon

Platycraniellus

Eucynodontia

Cynognathia

Probainognathia

Lumkuia

Chiniquodon

Probainognathus

Ecteniniidae

Diegocanis

Ecteninion

Trucidocynodon

Prozostrodontia

Prozostrodon

Therioherpeton

Tritylodontidae

Oligokyphus

Tritylodon

Bienotherium

Kayentatherium

Pachygenelus

Riograndia

Brasilodon

Mammaliaformes

Adelobasileus

Sinoconodon

Morganucodon

References

  1. ^ a b c n. Martínez, R.; Fernandez, E.; a. Alcober, O. (2013). "A new non-mammaliaform eucynodont from the Carnian-Norian Ischigualasto Formation, Northwestern Argentina". Revista Brasileira de Paleontologia. 16 (1): 61–76. doi:10.4072/rbp.2013.1.05.
  2. ^ Oliveira, T.V.; Soares, M.B.; Schultz, C.L. (2010). "Trucidocynodon riograndensis gen. nov. et sp. nov. (Eucynodontia), a new cynodont from the Brazilian Upper Triassic (Santa Maria Formation)". Zootaxa. 2382: 1–71.
  3. ^ Téo Veiga, De Oliveira; Leandro Schultz, Cesar (2016). "Functional morphology and biomechanics of the cynodont Trucidocynodon riograndensis from the Triassic of Southern Brazil: Pectoral girdle and forelimb". Acta Palaeontologica Polonica. 61 (2): 377–386. doi:10.4202/app.00171.2015.


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