Which smaller relative within the same order is mentioned as highlighting diversity within Litopterna?
Answer
*Thoatherium*, which had hooves akin to a modern gazelle
*Macrauchenia*'s closest relatives within South America included smaller, more swift-running forms like *Thoatherium*, which specialized in lighter grazing.

Related Questions
What combination of features characterized *Macrauchenia*?What does the name *Macrauchenia* roughly translate to?How many distinct toes did *Macrauchenia* possess on each foot?To which order of hoofed mammals did *Macrauchenia* belong?What is the hypothesized function of the short, fleshy nasal appendage?What was *Macrauchenia*'s primary evolutionary distinction compared to early horses?When did *Macrauchenia* become extinct?Which statement accurately describes *Macrauchenia*'s evolutionary lineage?Which smaller relative within the same order is mentioned as highlighting diversity within Litopterna?What is the most commonly discussed species of this animal, named after its recovery region?