Mammalia - Sirenia - Dugongidae

Alternative combination: Hippopotamus medius

Synonyms: Halianassa cordieri de Christol in de Blainville 1844, Halianassa cuvieri de Christol 1832, Halicore cuvieri de Christol 1832, Halicore cuvierii de Christol 1832, Halitherium cordieri de Christol in de Blainville 1844, Halitherium cuvieri de Christol 1832, Halitherium fossile Holl 1829, Haplosiren leganyii Kretzoi 1951, Hippopotamus intermedius Holl 1829, Manatus cuvieri de Christol 1832, Manatus fossilis Holl 1829, Metaxitherium cordieri de Christol in de Blainville 1844, Metaxytherium catalaunicum Pilleri et al. 1989, Metaxytherium cordieri de Christol in de Blainville 1844, Metaxytherium cuvieri de Christol 1832, Metaxytherium cuvierii de Christol 1832, Metaxytherium fossile Holl 1829

Full reference: A. G. Desmarest. 1822. Mammalogie ou description des especes de mammiferes. Second partie, contenant les orders des rongeurs, des edentes, des pachydermes, des ruminans et des cetaces 277-556

Belongs to Metaxytherium according to D. P. Domning 2008

Sister taxa: Metaxytherium aquitaniae, Metaxytherium arctodites, Metaxytherium crataegense, Metaxytherium floridanum, Metaxytherium krahuletzi, Metaxytherium lovisati, Metaxytherium riveroi, Metaxytherium serresii, Metaxytherium subapenninum

Type specimens:

• Metaxytherium medium: MNHN Fs 2706, a mandible (partial left mandible with M2-3). Its type locality is Baltringen, which is in a Burdigalian marine horizon in Germany.
• Halitherium cuvieri:
• Haplosiren leganyii: FIV 6001. Its type locality is Matrozollos, which is in a Tortonian marine horizon in Hungary.
• Hippopotamus intermedius:
• Manatus fossilis:
• Metaxytherium catalaunicum: 1210 Museum Comarcal, a skull. Its type locality is Olerdola, which is in a Burdigalian/Langhian marine horizon in Spain.
• Metaxytherium cordieri:

Ecology: aquatic herbivore