tarsal fold

tar·sal fold

the fold marking the attachment of the levator palpebrae superioris muscle into the skin of the upper eyelid.
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3) in females; inner tarsal fold absent, inner tarsal surface bearing one tubercle, poorly defined; outer edge of tarsus without tubercles; knee and heel without prominent tubercles; inner metatarsal tubercle elongated, near 2-3 times size of rounded outer; supernumerary plantar tubercles numerous, poorly defined; subarticular tubercles large and prominent, rounded to oval; toes lacking narrow lateral fringes; no webbing; discs on all toes, discs of toes II-V expanded, larger than those of fingers; Toe V much longer that Toe III; tip of Toe V reaches to the distal border of the distal subarticular tubercle of Toe IV (condition C; Lynch and Duellman 1997).
6 times the interorbital distance; (7) first finger equal or slightly longer than second; (8) disc on third finger more than 3/5 size of tympanum; (9) keels on fingers absent; (10) third finger not swollen in male; (11) short thick cloacal fold, with entire free border; (12) tarsal fold distinct, raised, not ending in tubercle; (13) inner metatarsal tubercle oval, about 2.
meridensis given within parentheses), by being a smaller frog (larger; see Table 1), and having the tip of snout more acute (rounded), tympanum with paler coloration (darker), larger dark brown dorsal spots (smaller), two irregular bands from upper eyelids to the level of shoulders (absent), oblique inguinal band larger (shorter), throat and chest with inconspicuous spots made up of fine dark stippling that do not form well-defined spots (having discrete dark brown spots), ventral surfaces of arms and thighs almost immaculate (well-differentiated dark brown little spots), tarsal fold evident (almost absent), metacarpal tubercle more pronounced (less pronounced), tend to have a more extended foot web (less webbed), and bearing conspicuous folding flaps on toes (bearing keels).
Cloacal opening at midlevel of thighs, covered by a cloacal fold with an entire free border; thighs smooth, without tubercles; length of tibia about 47% the snout-to-vent distance; ventral and dorsal sides of tibiae smooth; tarsal fold conspicuous, elevated, not ending in tubercle; tarsal fold located towards half distal portion of tarsum, aligned with dermal keel coming alongside border of first toe, although separated by the metatarsal inner tubercle; inner metatarsal tubercle ovoid, approximately three times longer than wide and 2.
mayorgai given above, by having a larger size, finely granular dorsum, tubercular limbs and flanks; indistinct (or hidden) tympanum with a length about 1/3 that of the eye; tarsal fold more distinct, tarsal tubercle absent, dark canthal band running from eye to eye absent, pale dorsolateral band absent, reddish tinge of the dorsal color, and a bright yellow or lemon-yellow venter.
6 times wider than adjacent phalanx; (7) fingers with thick lateral fringes; thickened edge along outer edge of fourth finger, from base of pad to close to outer metacarpal tubercle; (8) cloacal fold short; (9) tarsal fold strong, not ending in tubercle but having a little distal enlargement; (10) foot-web formula: I2.
Tarsal fold strong, short (45% of tarsal length), not ending in tubercle, having a little distal enlargement; inner metatarsal tubercle elongated.