Squamata Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Order Squamata Oppel, 1811 Episquamata Vidal & Hedges, 2005 Lacertoidea Camp, 1923 see Infraorder Lacertoidea Camp, 1923 Family Trogonophiidae Vanzolini, 1951 Genus Pachycalamus Günther, 1881