Chiropsalmus quadrumanus
Chiropsalmus quadrumanus, commonly known as the four-handed box jellyfish, is a species of box jellyfish found in the western Atlantic Ocean, the Gulf of Mexico and the Pacific Ocean. The sting is venomous and dangerous to humans, especially children.
Bathykorus
"B. bouilloni" is found in the Arctic Ocean, especially around Greenland and the north of Canada. The jellyfish can only be found at an underwater depth range of , but it is more common in the middle of this range.