If you’ve ever found yourself rewatching Jurassic Park for the hundredth time (don’t worry, we all have), you probably remember the awe—and terror—of seeing a living dinosaur step out of the mist. Those creatures are supposed to be long extinct… right? Meet the real-world legend that refuses to stay buried in prehistory in this edition of Creature Feature Friday: the cryptid known as Mokele-Mbembe.

You know Bigfoot and Nessie, and Yeti and Dogman… but do you recall any of these 10 lesser-known cryptids? From the mysterious jungles of Southeast Asia to the depths of the Congo Basin, these bizarre and rare cryptids aren’t nearly as famous as their legendary counterparts, but they defy explanation all the same.