• therefore created a new genus, Tetragonostylops, for the Brazilian Paleocene species. Despite its antiquity, Tetragonostylops may have been more derived than...
    4 KB (389 words) - 10:45, 24 June 2024
  • Thumbnail for Astrapotheria
    Astrapotheriidae from the Eocene-Miocene. The Brazilian, Itaboraian Tetragonostylops and the Argentinian, Riochican Eoastrapostylops are the oldest astrapotheres...
    21 KB (1,789 words) - 16:21, 16 September 2024
  • Thumbnail for Litopterna
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    19 KB (1,606 words) - 14:19, 6 November 2024
  • Thumbnail for Notoungulata
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    25 KB (2,141 words) - 15:10, 15 July 2024
  • Thumbnail for Macrauchenia
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    40 KB (4,131 words) - 17:57, 2 November 2024
  • Thumbnail for Toxodon
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    29 KB (2,609 words) - 12:45, 14 October 2024
  • Thumbnail for South American native ungulates
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    20 KB (1,875 words) - 15:16, 14 October 2024
  • Thumbnail for Micrauchenia
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    5 KB (504 words) - 16:07, 17 January 2024
  • Thumbnail for Coniopternium
    Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    5 KB (326 words) - 18:17, 6 November 2024
  • Eoastrapostylops †Trigonostylopidae Shecenia Tetragonostylops Trigonostylops †Astrapotheriidae...
    3 KB (268 words) - 02:53, 1 September 2024