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We reviewed the species referred to Eutropis carinata complex from Sri Lanka. We provided the data on the lectotype of Eutropis carinata along with a discussion on its synonyms. Examination of the lectotype of Sincus carinatus Schneider, 1801 (= Eutropis carinata), shows this taxon is not conspecific with Mabuya carinata lankae Deraniyagala, 1953 (= Eutropis carinata lankae). Therefore, we resurrected Eutropis lankae (Deraniyagala) as a valid species from Sri Lanka. Based on the available data, we here tentatively recognize Tiliqua rubriventris Hardwicke and Gray, 1829 (= Eutropis rubriventris) as a valid species. Also, a new species of the genus Eutropis Fitzinger is described from Sri Lanka. The new species was previously confused with E. carinata (Schneider) and may be the source of earlier records of E. beddomei (Jerdon) from the Central Hills of Sri Lanka. The new species, Eutropis resetarii sp. nov. differs from the lectotype of E. carinata by the following characters: widely (vs. narrowly) separated supranasal scales, first supraocular not in contact (vs. in contact) with frontal, third pair of chin shields separated slightly or not touching the second pair of chin shields (vs. in contact broadly with the second pair) and 30 (vs. 32) scale rows across the midbody. Eutropis resetarii sp. nov. is distinguished from E. lankae by the following characters: first loreal does not reach the dorsal surface of snout (vs. reaches in E. lankae); lower preocular larger (vs. smaller) than the anterior loreal scale; lateral border of postmental in complete contact with the first and the second (vs. first and partially the second) infralabials; third pair of chin shields not in contact or in narrow (vs. broad) contact with second pair of chin shields; palm and sole scales rounded, more or less juxtaposed (vs. tubercle-like imbricate scales); and having greater external ear opening size, 40–46% (vs. 23–38%) of eye diameter. Eutropis resetarii sp. nov. can be distinguished from all other congeners by a combination of the following characters: in having widely separated supranasals and prefrontals, lacking postnasals, prefrontals reaching lateral sides of snout, only the first supraocular in contact with frontal, six or seven supraciliaries, lower preocular as large as first loreal, two primary temporals, upper pretemporal smaller than lower and both touching parietals, parietals completely separated by interparietal; two post-supralabials, first and second pairs of chin shields separated by a single scale, third pair of chin shields not in contact or in narrow contact with second pair of chin shields; juxtaposed rounded palm and sole scales, comparatively robust digits, having greater external ear opening size (40–46% of eye diameter) and presence of 14–15 subdigital lamellae under 4th digit of pes. The new species has been recorded from the highest elevations (from ~1000 m to ~1600 m), while E. lankae has a wider distribution from coast to ~900 m. The distributional ranges of these two species are therefore allopatric.

journal of animal diversity

Description of a new species of Eutropis (Sauria: Scincidae) from the Central Hills of Sri Lanka with the resurrection of Eutropis lankae (Deraniyagala)