Two additional records of megophryid frogs, Leptobrachium masatakasatoi Matsui, 2013 and Leptolalax minimus (Taylor, 1962), for the herpetofauna of Vietnam

We record two megophryid species for the first time from Vietnam: Leptobrachium masatakasatoi and Leptolalax minimus. Acoustic analysis of L. masatakasatoi is also reported based on advertisement calls of the male specimen from Son La Province. In addition, data of morphology and natural history of afore mentioned species are provided.