Two to five (usually three) elongate black spots are present in the scapular region in different individuals.
"The Systematics of the Frogs of the Hyla Rubra Group in Middle America" by Juan R. León
Dorsum irregularly pustulate; in some specimens the pustules tend to form a V in the scapular region.
"The Amphibians and Reptiles of Michoacán, México" by William E. Duellman
Areas immediately posterior to the ears, in the scapular region, molt last.
"Speciation and Evolution of the Pygmy Mice, Genus Baiomys" by Robert L. Packard