Name: Trigodon ‭(‬Three part tooth‭)‬.
Phonetic: Tri-go-don.
Named By: Florentino Ameghino - 1887.
Classification: Chordata,‭ ‬Mammalia,‭ ‬Notoungulata,‭ ‬Toxodontidae,‭ ‬Haplodontheriinae.
Species: T.‭ ‬gaudryi‭ (‬type‭)‬.
Diet: Herbivore.
Size: Exact details unavilable.
Known locations: South America‭ ‬-‭ ‬Solimoes Formation.
Time period: Tortonian of the Miocene.
Fossil representation: Partial remains.

       Trigodon seems to have been a large heavily built herbivore of the late Miocene of South America.‭ ‬Combined with reasonably long legs for its build,‭ ‬Trigodon is considered to have inhabited wetland swamps were it browsed upon softer vegetation.‭ ‬The most striking feature of Trigodon is the spiked horn that rises from the top of the skull.‭ ‬This feature may have been purely for display,‭ ‬although it might have also been a weapon used against rival Trigodon in dominance contests.

Further reading
- Novos achados de cetaceos longirrostros no Neogeno do Acre, Brasil. Boletim do Museu Paraense Emilio Goeldi. - Ciencias da Terra 2:59-64. - J. B. Villanueva, C. Muizon & J. P. Souza Filho - 1990.


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