Archaeoindris
Though similar to "Palaeopropithecus", "Archaeoindris" was significantly larger and more robust. "Archaeoindris" was one of the largest primates to ever evolve, and was the largest-known strepsirrhine primate, weighing an estimated . It was roughly the size of an adult male gorilla, which was first noted by Lamberton.
Largest prehistoric animals
The largest-known ichthyosaur was "Shastasaurus sikanniensis" at in length. In April 2018, paleontologists announced the discovery of a previously unknown ichthyosaur that may have reached lengths of 26 m (85 ft)- 30 m (100 feet long) making it one of the largest animals known, rivaling the Blue Whale in size. Another giant Ichthyosaur was found as well and it was larger than Lilstock Monster, possibly surpassing Blue Whale in size.The heavy built "Moradisaurus grandis", with a length of , is the largest known captorhinid.