''Orthaspidotherium'' was a European

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch that lasted from about 66 to 56 million years ago (mya). It is the first epoch of the Paleogene Period in the modern Cenozoic Era. The name is a combination of the Ancient Greek ''pal ...

genus of early herbivorous mammals of the family Pleuraspidotheriidae. It was included in the family Meniscotheriidae by

Teilhard de Chardin Pierre Teilhard de Chardin ( (); 1 May 1881 – 10 April 1955) was a French Jesuit priest, scientist, paleontologist, theologian, philosopher and teacher. He was Darwinian in outlook and the author of several influential theological and philo ...

in 1921-1922 and was subsequently separated into the family Pleuraspidotheriidae, before being placed in the family Phenacodontidae. The first complete skull of ''O. edwardsi'' was described in 2010, and the same paper once again places it in Pleuraspidotheriidae. A 2017 study further reiterates this view.

References

Condylarths Prehistoric placental genera Paleocene mammals of Europe {{paleo-mammal-stub