Riopa opisthorhoda
Range
Endemic to Sumatra
Lygosoma opisthorhodum, listed as Riopa opisthorhoda, is a skink known from Sumatra, described by Werner in 1910 from Sungai Lalah in Indragiri. The holotype is lost. The name probably refers to the pinkish hind limbs and tail (Reptile Database, general species account).