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Therapsida

E Vicipaedia

Subphylum : Vertebrata 
Superclassis : Tetrapoda 
Classis : Synapsida 
Ordo : Therapsida 
Broom, 1905
   
Palaeontologia
Permianum inferiore - Praesentum

Therapsida sunt ordo synapsidum qui mammalia et eorum maiores recte evolutionarios comprehendit. Primum fossile ad Therapsida attributum habetur Tetraceratops insignis ex Aevo Permiano.[1][2] Therapsida ex pelycosauria, diserte ex sphenacodontibus, abhinc annorum 275 milliones evolverunt.

  1. M. Laurin et R. R. Reisz (1996), "The osteology and relationships of Tetraceratops insignis, the oldest known therapsid," Journal of Vertebrate Paleontology 16(1): 95–102.
  2. J. Liu, B. Rubidge, et J. Li (2009), "New basal synapsid supports Laurasian origin for therapsids," Acta Palaeontologica Polonica, 54(3): 393–400.
stipula

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