| Named By: | John Edward Gray in 1831 as Chelonia hofmanni, Georg Baur named it Allopleuron hofmanni in 1888 |
| Time Period: | Late Cretaceous |
| Location: | Germany, Kazakstan, Netherlands and the USA, New Jersey |
| Size: | Around 2 to 2.5 meters long |
| Diet: | Uncertain/Omnivore |
| Fossil(s): | Almost complete specimens including shells and skulls |
| Classification: | | Chordata | Reptilia | Testudines | Cryptodira | Dermochelyidae | |
Allopleuron hofmanni was a giant primitive sea turtle, now extinct. It is a basal member of the superfamily Chelonioidea closely related to Toxochelys.