P.f.frontalis is the nominate species, 10” in length and is found in southeastern Brazil from Bahia to Rio de Janeiro. It is mostly dark green in color with a maroon band across the cere. The ear coverts are a buff brown color. The sides of the neck and upper breast are olive edged in light yellow creating a barred or scaly appearance.The primaries are blue with green at their tips. A patchy maroon area is found on the abdomen and lower back. The tail feathers are green at their base with brownish red tips. The beak is black or dark grey with an off white cere. Their legs and feet are grey.