Although the head is worn, a detail shows that the lower part of the face extends down to the trachea at the base of the neck; this roughened area, too massive to be simply a prognathous jaw, must instead represent a full beard.
The prognathous jaw became a sign of lower development and of a closer relationship to primitive man.
Enlarged as though in a magnifying mirror, the abundant follicles sprout gut-string stubble as a gentle sleeping smile winks above the prognathous jaw.
Exceedingly tall and gaunt with a long, prognathous jaw, he never took his eyes from me as he went over to an accordion wilted across a stool.
The facial profile was categorized as retrognathic, neutral, or prognathic .
Below the orbits, the face is more prognathic - the nose and jaw protrude farther in front of the braincase - than a human face.
The new skull has a rather unusual combination of features: a flat face, high cheek bones, moderate prognathism , small molars, and it lacks a depression behind the brow ridge.