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 woodpecker is the possibly extinct imperial woodpecker ("Campephilus imperialis") with a total length of about . The largest woodpecker confirmed to be extant is the great slaty woodpecker ("Mulleripicus pulverulentus").