Temporal range: Miocene–Pleistocene
|M. floridanum fossil|
de Christol, 1840
Metaxytherium lived in coastal waters and inland waterways, and there is evidence that they were preyed on by early sharks.
There are eight species of Metaxytherium recognized as valid: M. albifontanum, M. arctodites, M. crataegense, M. floridanum, M. krahuletzi, M. medium, M. serresii, and M. subapenninum.
The genus Thalattosiren Sickenberg 1928 was once thought to be distinct from Metaxytherium, but is now considered a junior synonym of M. medium.
- Jorge Vélez-Juarbe and Daryl P. Domning (2014). "Fossil Sirenia of the West Atlantic and Caribbean region. Ix. Metaxytherium albifontanum, sp. nov.". Journal of Vertebrate Paleontology 34 (2): 444–464. doi:10.1080/02724634.2013.799072.
- "METAXYTHERIUM TUSK FOSSILS". Paleo Direct, Inc. Archived from the original on 6 June 2013. Retrieved 26 June 2013.
- D. P. Domning and P. Pervesler. 2012. The sirenian Metaxytherium (Mammalia: Dugongidae) in the Badenian (Middle Miocene) of Central Europe. Austrian Journal of Earth Sciences 105(3):125-160
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