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Ecteniniidae

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This is an old revision of this page, as edited by 69.143.122.185 (talk) at 18:02, 11 September 2022 (I believe there was a typo, it should say "specializations" rather than "speciations", even if the specializations may have then produced speciation events - honestly "adaptation" might be an even better word choice, but I'm trying to stick to the original spirit). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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 

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.