- late
Miocene of Belgium. The type and only
species of
Monotherium is M.
delognii,
described from the Tortonian-age
Diest Formation of Antwerp, Belgium,...
- [Monachus
pontica Eichwald, 1850] †Monotherium van Beneden, 1876 †Monotherium
delognii van Beneden, 1876 †Pachyphoca
Koretsky & Rahmat, 2013 †Pachyphoca chapskii...