Trechnotheria

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Trechnotheria
Jurasiko-Kretazeo
Ugaria Jurasiko eta Kretazeo garaietan. Bere adarretako bat Theria da, gaur egungo ugaztun askok osatua

Laitche-P013.jpg
Sailkapen zientifikoa
ErreinuaAnimalia
FilumaChordata
KlaseaMammalia
Baliorik ez Trechnotheria

Trechnoteria ugaztun klado bat da, Mammalia eta Theria artean kokatzen dena. Azkenarekiko gertuago dago, hala ere.[1]

McKenna-k honako jerarkia osatu zuen 1975an:[2]

--o Trechnotheria McKenna, 1975 (≈Yangotheria Chow & Rich, 1982) (†)
    |-o Amphiodontoidea Prothero, 1981 (†)
    |-o Spalacotherioidea Prothero, 1981 (†)
    `-o Symmetrodonta Simpson, 1925
      |-o Yinotheria Chow & Rich, 1982 (†)
      `-o Cladotheria McKenna, 1975 
        |-o Dryolestoidea Prothero, 1981 (†)
        `-o Amphiteriida Prothero, 1981
          `-o Zatheria McKenna, 1975
            |-o Peramura McKenna, 1975 (†)
            `-o Tribosphenida McKenna, 1975
              |-o Aegialodontia Butler, 1978 (†)
              `-o Theria Parker & Haswell, 1897 
                |-o Metatheria Huxley, 1880 
                `-o Eutheria Gill, 1872 

Geroago hainbat lanek aldaketak proposatu dituzte:

  • Wang, Clemens, Hu & Li, 1998.[3]
  • Rougier, Novacek, McKenna & Wible, 2001.[4]
  • Luo, Cifelli & Kielan-Jaworowska, 2001[5]
  • Luo, Kielan-Jaworowska & Cifelli, 2002[6]
  • Kielan-Jaworowska, Cifelli & Luo, 2004.[7]

Honako kladograman erakusten dira proposaturiko aldaketa horiek:

--o Trechnotheria McKenna, 1975 (≈Yangotheria Chow & Rich, 1982) (†)
    |-o Amphiodontoidea Prothero, 1981 (†)
    |-- Austrotriconodontidae Bonaparte, 1990 (†)
    |-- Gobiconodontidae Chow & Rich, 1984 (†)
    |-- Amphilestidae Osborn, 1888 (†)
    |-o Spalacotherioidea Prothero, 1981 (†)
    `-o Symmetrodonta Simpson, 1925
      |-o Eutriconodonta Kermack, Musset & Rigney, 1973 (†)
      `-o Cladotheria McKenna, 1975 
        |-o Dryolestoidea Prothero, 1981 (†)
        `-o Zatheria McKenna, 1975
          |-o Amphiteriida Prothero, 1981 (†)
          |-o Boreosphenida Luo, Cifelli, & Kielan-Jaworowska, 2001 (†)
          | |-o Aegialodontia Butler, 1978 (†)
          | `-o Theria Parker & Haswell, 1897 
          |   |-o Metatheria Huxley, 1880 
          |   `-o Eutheria Gill, 1872 
          `-o Peramura McKenna, 1975 (†)


Erreferentziak[aldatu | aldatu iturburu kodea]

  1. Trechnotheria en Mikko's Phylogeny Archive. Acceso: 17 de octubre de 2007
  2. McKenna, M.C., y Bell, S.K. (1975), Classification of Mammals Above the Species Level., Columbia University Press, New York. 0-231-11013-8.
  3. Wang, Y., Clemens, W. M., Hu, Y. & Li, C., 1998: A probable pseudo-tribosphenic upper molar from the Late Jurassic of China and the early radiation of the Holotheria. Journal of Vertebrate Paleontology: vol. 18.
  4. Rougier, G. W., Novacek, M. J., McKenna, M. C. & Wible, J. R., 2001: Gobiconodonts from the Early Cretaceous of Oshih (Ashile), Mongolia. American Museum Novitates: #3348
  5. Luo, Z.-X., Cifelli, R. L. & Kielan-Jaworowska, Z., 2001: Dual origin of tribosphenic mammals. Nature: Vol. 409, 4
  6. Luo, Z.-X., Kielan-Jaworowska, Z. & Cifelli, R. L., 2002: In quest for a phylogeny of Mesozoic mammals. Acta Palaeontologica Polonica: Vol. 47, #1
  7. Kielan-Jaworowska, Z., Cifelli, R. L. & Luo, Z.-X., 2004: Mammals from the Age of Dinosaurs – origins, evolution, and structure. Columbia University Press, New York, 2004