It is the second largest of all the genera of squat lobsters, after Munida, with over 200 species.

[3] Munidopsis, like other squat lobsters, are often found in chemosynthetic environments in the ocean.

[4] Munidopsis was the first confirmed genus to inhabit the underwater Mud volcano habitat.

[3] In 2022, during surveys of the wreck of the Endurance, a squat lobster believed to be an unidentified species in the Munidopsis genus was observed.

[5] The genus Munidopsis dates back to the Eocene and Upper Cretaceous of Antarctica.