Oligosoma is a genus of small to medium-sized skinks (family Scincidae) found only in New Zealand as well as Norfolk and Lord Howe islands. Oligosoma belongs to the Eugongylus group of genera in the subfamily Lygosominae; the genus Bassiana appears to be fairly closely related.
The currently described and about to be described species are:
Alborn skink, O. sp.Aorangi skink, O. roimataBarrier skink, O. judgeiBrown skink, O. zelandicumBurgan skink, O. burganaeChatham Islands skink, O. nigriplantareChesterfield skink, O. sp.Chevron skink, O. homalonotumCobble skink, O. sp.Common skink, O. polychromaCrenulate skink, O. robinsoniCryptic skink, O. inconspicuumEyres skink, O. repensFalla's skink, O. fallaiFestive skink, O. sp.Fiordland skink, O. acrinasumGrand skink, O. grandeGreen skink, O. chloronotonKupe skink, O. sp.Lakes skink, O. sp.Long-toed skink, O. longipesMackenzie skink, O. sp.McCann's skink, O. maccanniMoko skink, O. mocoNevis skink, O. tokaNewman skink, O. sp.New Zealand striped skink, O. striatumOpen Bay Islands skink, O. taumakaeOtago skink, O. otagenseRangitata skink, O. sp.Scree skink, O. waimatenseShore skink, O. smithiSinbad skink, O. pikitangaSmall-scaled skink, O. microlepisSmall-eared skink, O. stenotisSouthern skink, O. notosaurusSpeckled skink, O. infrapunctatumSpotted skink, O. lineoocellatumSuter's skink, O. suteriTatahi skink, O. sp.Te Kakahu skink, O. tekakahuWhirinaki skink, O. sp.Merging Oligosoma and Cyclodina
A molecular phylogenetic analysis has merged the old genus Cyclodina with Oligosoma, rendering Cyclodina an obsolete taxon. The species previously included in Cyclodina are:
Copper skink, O. aeneumHardy's skink, O. hardyiLord Howe Island skink, O. lichenigeraMcGregor's skink, O. macgregoriMarbled skink, O. oliveriMokohinau skink, O. townsiNorthland skink, O. northlandi (presumed extinct)Ornate skink, O. ornatumRobust skink, O. alaniSlight skink, O. levidensumWhitaker's skink, O. whitakeri
