Lizards in the genus Lialis specialize in eating skinks. They have hinged teeth and kinetic skull joints which flex allowing them to swallow their prey whole.
Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume I. ... Pygopodidæ .... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xii + 436 pp. + Plates I-XXXII. (Genus Lialis, p.246).
Gray JE (1835). "Characters of a New Genus of Reptiles (Lialis) from New South Wales". Proceedings of the Zoological Society of London1834: 134–135. (Lialis, new genus, p.134). (in Latin and English).
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