To which extinct order does *Arsinoitherium* belong, classifying it separately from true rhinos?
Answer
Embrithopoda
*Arsinoitherium* is not considered a direct ancestor of modern rhinoceroses, despite superficial similarities in their headgear. Paleontologically, it belongs to a distinct and extinct mammalian order known as Embrithopoda. This classification places it in a relatively distant evolutionary neighborhood when compared to rhinoceroses. This isolation demonstrates a unique, successful side branch of mammalian evolution during the Cenozoic era, showcasing a different evolutionary path for large herbivores.

Related Questions
What was the maximum estimated weight for the bulky *Arsinoitherium*?To which extinct order does *Arsinoitherium* belong, classifying it separately from true rhinos?During which epochs did *Arsinoitherium* thrive, according to fossil dating?What likely covered the substantial, two-pronged horns of *Arsinoitherium*?Where are the fossils of *Arsinoitherium* primarily recovered, indicating its primary habitat?Which distant mammalian relatives share an evolutionary neighborhood with *Arsinoitherium*?What was the probable dietary preference of *Arsinoitherium* given its habitat and teeth structure?What is the likely origin of the name *Arsinoitherium*?What non-defensive/display function might the basal structure of the horns have provided in its swampy habitat?What primary environmental factor led to the disappearance of *Arsinoitherium* from the fossil record?