Complex sentence: American paleontologist Barnum Brown named "Anchiceratops" in 1914, as he believed "Anchiceratops" was a transitional form closely related to both "Monoclonius" and "Triceratops" and intermediate between them.
Split into simpler sentences: American paleontologist Barnum Brown named "Anchiceratops" in 1914. This refers to Brown's belief that "Anchiceratops" was a transitional form closely related to both "Monoclonius" and "Triceratops" and intermediate between them.