I had originally identified these frogs as Pseudophilautus hypomelas, a species that was thought to be extinct until it was rediscovered in 2013. Thanks to Sanjaya Kanishka for recognizing that both of these are actually young Pseudophilautus microtympanum.

Many of Sri Lanka's endemic Pseudophilautus species are considered endangered due to their limited distribution and the threat of habitat destruction. Pseudophilautus microtympanum is no exception; it is found only in the cloud forests of the central highlands.