Not part of a cryptic species complex.
Both the scientific and common names refers to the thin, elongated body and reduced limbs of this species. Initially known as Cyclodina levidensa, but the name was modified to O. levidensum (Chapple et al 2009).
O. levidensum is difficult to distinguish morphologically from O. aeneum, which is likely why this species had been overlooked (Chapple et al 2008). Main distinguishing features include the larger body scales and slighter overall body and limb form of O. levidensum compared to O. aeneum and that the limbs of O. levidensum are reduced compared to O. aeneum and O. hardyi (Chapple et al 2008, Jewell 2008).
Scale count ranges are generally lower for O. levidensum than for O. aeneum, but the nuchal count is higher (Chapple et al 2008). In particular, the midbody scale count range (24-26) is lower than for all other ex-Cyclodina species, except O. aeneum (26-32) (Chapple et al 2008).
New Zealand's smallest native skink (~51 mm SVL, Chapple et al 2008). Dorsal surfaces coppery-brown, usually plain, but sometimes with a mid-dorsal stripe or flecking. Lateral sides grey to grey-brown with dark and light flecking. Denticulate pattern on lips. Ventral surface creamy-yellow, unspeckled (Chapple et al 2008, Jewell 2008).
Cyclodina sp. 'Te Paki'.
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