1. A weak tarsal fold; outer fingers one-third webbed; males
having spiny nuptial tuberosities; color in life tan or brown
with blotches or reticulations, never green; iris bronze color
_P. euthysanota_ group--2
No tarsal fold; outer fingers having only vestige of web;
males lacking nuptial tuberosities; color in life green or
brown; iris red or golden color _P. schmidtorum_ group--5
2. Chest, throat, and flanks usually having brown or black spots;
no distinct white stripe on upper lip or on flanks; a faint
white line usually present above anal opening; a rostral keel 3
Chest, throat, and flanks usually unspotted; distinct white
line on upper lip and on flank present or not; white line
above anal opening faint or well defined; no rostral keel 4
3. Interorbital region much wider than eyelid; spots on throat
and chest black; spots only occasionally present on belly;
flanks marbled with black and white; nuptial spines small, as
many as 80 on one thumb _P. leonhardschultzei_
Interorbital region about as wide as eyelid; spots on chest
and throat brown or black; spots usually present on belly;
flanks having round brown or black spots; nuptial spines
moderate in size, conical, seldom more than 60 on one thumb
_P. spinipollex_
4. A distinct, broad, white lateral stripe usually present;
usually a distinct white line above anal opening; a distinct
white stripe on upper lip _P. euthysanota euthysanota_
No white lateral stripe; a faint white stripe above anal
opening; no distinct white stripe on upper lip
_P. euthysanota macrotympanum_
5. A distinct, broad, lateral stripe; a white stripe on upper
lip expanded to form a large spot below eye; hidden surfaces
of thighs and webs of feet not red in life; internarial region
slightly depressed; diameter of tympanum greater than one-half
diameter of eye 6
No lateral white stripe; no stripe on upper lip; in life
dorsum green, hidden surfaces of thighs and webs of feet
orange tan to bright red, and eye golden color; internarial
region flat; diameter of tympanum less than one-half diameter
of eye _P. ignicolor_
6. Webs of feet and posterior surfaces of thighs pale cream
color; dorsum in life reddish brown; iris bright red
_P. schmidtorum schmidtorum_
Webs of feet and posterior surfaces of thighs pale brown;
dorsum in life green; iris reddish bronze color
_P. schmidtorum chamulae_