Citadel produced a number of other creatures that could be described as Beastmen, and a couple that didn't get released.
Other Solid Based Beastmen
Uncatalogued C38 Minotaur
C22 Chaos Beast
C22 Chaos Demon
C34 Beastmen Raider A
C34 Beastmen Raider B
Zygor Snake Arms
Zygor Snake Arms
Zygor Snake Arms
Unreleased Beastman Centaur