Columbia subject headings:
Harvard subject headings:
Amphibians--Andes--Classification.
Amphibians--Classification.
Amphibians--Ecuador--Classification.
Eleutherodactylus--Classification.
Leptodactylidae--Classification.
Princeton subject headings:
Amphibians--Andes--Classification.
Amphibians--Classification.
Amphibians--Ecuador--Classification.
Eleutherodactylus--Classification.