• Thumbnail for Alphadon
    Alphadon is an extinct genus of small, primitive mammal that was a member of the metatherians, a group of mammals that includes modern-day marsupials....
    6 KB (434 words) - 02:34, 31 March 2024
  • Thumbnail for Titanoceratops
    Meniscoessus intermedius, Essonodon sp., Alphadon marshi, Alphadon wilsoni, Alphadon sp. A, Alphadon sp. B, Alphadon? sp., Pediomys cooki; Gypsonictops sp...
    17 KB (1,839 words) - 18:22, 22 August 2024
  • Thumbnail for Triceratops
    and Neoplagiaulax. The metatherians are represented by the alphadontids Alphadon, Protalphodon, and Turgidodon, the pediomyids Pediomys, Protolambda, and...
    95 KB (9,998 words) - 06:05, 15 September 2024
  • Thumbnail for Marsupial
    Turgidodon Alphadon Albertatherium...
    75 KB (7,760 words) - 04:30, 1 October 2024
  • Thumbnail for Troodon
    possibly belonging to Troodon suggests it hunted early mammals such as Alphadon. In 2011, another derived troodontid, Linhevenator, was described from...
    28 KB (3,208 words) - 20:27, 29 September 2024
  • Thumbnail for Opossum
    most no older than Oligocene in age. Many extinct metatherians, such as Alphadon, Peradectes, Herpetotherium, and Pucadelphys, were once considered to be...
    64 KB (5,879 words) - 20:56, 6 October 2024
  • Thumbnail for Metatheria
    Aenigmadelphys Anchistodelphys Stagodontidae Turgidodon Alphadon Alphadontidae Albertatherium Marsupialia...
    18 KB (1,476 words) - 20:37, 5 May 2024
  • Thumbnail for Sparassodonta
    Turgidodon Alphadon Albertatherium...
    61 KB (6,241 words) - 22:10, 20 August 2024
  • Thumbnail for Didelphodon
    the purported stagodontid Delphodon is probably a synonym of Pediomys or Alphadon. A 2016 phylogenetic analysis found that Didelphodon and other stagodontids...
    12 KB (999 words) - 21:49, 7 August 2024
  • mammals from Cedar Canyon, southwestern Utah, and a revision of Cenomanian Alphadon-like marsupials; pp. 97–110 in Albright, L.B.I. (ed.), Papers on Geology...
    2 KB (251 words) - 18:38, 21 September 2021