The circumvallate papillae are located on the hard palate, buccal mucosa, and floor of the mouth. The papillae found on the tongue are the filiform, fungiform, vallate, foliate, and incisive.

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All papillae listed in both statements are located on the tongue with the exception of the incisive papilla, which is located on the hard palate. Note that the incisive papilla is a singular structure, thus the different spelling. There are no papillae located on either the buccal mucosa or the floor of the mouth.

The Circumvallate Papillae Are Located on the Hard Palate, Buccal