👉 Mantispidae is a class of extinct reptile that lived during the Late Cretaceous period, around 65 to 70 million years ago. These creatures were part of the family Mantopithecidae and belonged to the order Reptilia. They are also known as mantis crabs or mantises, due to their elongated bodies resembling those of mantises. Mantispidae lived in various environments including forests, swamps, and deserts