Uperodon obscurus
Range
Endemic to Sri Lanka
The grey-brown pug-snouted frog, Uperodon obscurus, is a microhylid frog endemic to Sri Lanka (Wikipedia, general species account, which is a stub).
No description or ecology was found for this entry. The 2012 National Red List has it as Ramanella obscura, Nationally Vulnerable (Sri Lanka National Red List 2012).