Context: This pachycephalosaur's fossil was discovered in South Dakota. The scientists who named this dinosaur thought it looked like a fairy-tale dragon! This pachycephalosaur's scientific name refers to the Hogwarts School of Witchcraft and Wizardry from J. K. Rowling's Harry Potter book series.
What is this pachycephalosaur's scientific name?
A. Dracorex spinifer
B. Dracorex hogwartsia
Choose the right answer from the options and respond with its letter.

B