Compared to the size of its cranium, this large olfactory bulb indicates a higher reliance on olfactory than visual senses, a feature not shared with modern anthropoids.
Because these anthropoids are and were nocturnal, operating most often in a world where color is less important, selection pressure on color vision relaxed.
Simians are usually called anthropoids, and while this name can be confusing, the paper uses the term anthropoids, as does associated publicity material.
Goblins are anthropoid, described as having long, thin fingers and feet, black eyes, and domed heads much larger than human heads in proportion to the body.