Oaxaca Mountainforest Tree Frog (Ecnomiohyla echinata)  

The Oaxaca Mountainforest Tree Frog is known only from the type locality, the cloud forest at an elevation of about 2000 m at the northern slopes of the Sierra de Juárez Mountains in Oaxaca, Mexican.  

The species was last recorded in the year 1962, and is considered most probably extinct.  

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edited: 27.05.2019