Ophidia Brongniart, 1800 Serpentes see Suborder Serpentes Linnaeus, 1758 Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923 Uropeltoidea Müller, 1831 1 Family Anomochilidae Cundall, Wallach & Rossman, 1994 [monotypic] - dwarf pipe snakes 2 Family Cylindrophiidae Fitzinger, 1843 [monotypic] - Asian pipe snakes 3 Family Uropeltidae Müller, 1831 - shield-tail snakes