Complex sentence: It ´ s not known if it ´ s a natural group; it was made to distinguish the ungulates of South America from other ungulates, relationships between the orders inside Meriungulata remain unresolved and it could well be a'wastebasket' taxon.
Split into simpler sentences: It ´ s not known if it ´ s a natural group; it was made to distinguish the ungulates of South America from other ungulates. Relationships between the orders inside Meriungulata remain unresolved and it could well be a'wastebasket' taxon.