KEY TO THE GENERA

1. (a) One pair of chin scales in medial contact ....................................................................................................2 (b) Two or more pairs of chin scales in medial contact.....................................................................................4

2. (a) Lobules present on anterior edge of ear opening ........................................................................................ 3 (b) Lobules absent from anterior edge of ear opening ........................................................... Ornithuroscincus

3. (a) Nasal scale with horizontal suture extending posteriorly from nostril ................................ Papuascincus (b) Nasal scale lacking horizontal suture................................................................................................. Palaia

4. (a) Chin shields separated from infralabials by a row of genials; temporal region with 4 or more temporals .............................................................................................................................................................................5

(b) Chin shields abut infralabials; temporal region with standard pattern of only 1 anterior and 2 posterior temporals............................................................................................................................................ Lobulia

5. (a) Two supralabials posterior to subocular supralabial..................................................................................6 (b) Three supralabials posterior to subocular supralabial .......................................................... Alpinoscincus

6. (a) Green blood serum and tissues; prehensile tail with glandular tip; greatly expanded basal subdigital lamellae (over twice width of distal lamellae)....................................................................... Prasinohaema

(b) Pale brown blood serum and pink tissues; tail not prehensile, lacking a glandular tip; basal subdigital lamellae less than twice width of distal lamellae .................................................................. Nubeoscincus