| Named By: | Louis Dollo in 1882 |
| Time Period: | Late Cretaceous |
| Location: | Across Europe and North America |
| Size: | Estimated around 5.5 meters long |
| Diet: | Carnivore/Piscivore |
| Fossil(s): | Several individual specimens |
| Classification: | | Chordata | Reptilia | Squamata | Mosasauridae | Plioplatecarpinae | |
| Also known as: | | Halisaurus fraternus | Mosasaurus depressus | Oterognathus | Phosphorosaurus | |
Plioplatecarpus is a genus of mosasaur lizard. Like all mosasaurs, it lived in the late Cretaceous period, about 73-68 million years ago.