- cryptozoölogy (rare)
- Study of cryptids, animals whose existence has not been proven.
- The Loch Ness Monster is one of the mysteries of cryptozoology.
- 2007, Jeff Meldrum, Sasquatch: Legend Meets Science, Tom Doherty Associates, →ISBN, page 45:
- This peculiar situation amplifies the reluctance of conservative scientists to objectively consider the search for hidden animals, the field of cryptozoology. […] Indeed, cryptozoology has gained increasing legitimacy in recent years.
study of postulated animals