Some of them seem familiar, but others i really wouldn't know where to start about what they are.
Spoiler
know arcana about the various monsters both from the note and in the room - magical beasts and dragons are that knowledge base as far as i know.
So chimera and Basilisk from the note and the "looming dragon" from the room im thinking.Anyway
know arcana check
(1d20+7)[12]
Ophelia examines each of them to see if they make sense and are similar to the ones from the note.