†subfamily Leptopleuroninae Ivakhnenko 1979 (reptile)
Reptilia - Procolophonia - Procolophonidae
Parent taxon: Procolophonidae according to L. K. Saila 2010
Sister taxa: Acadiella, Coletta, Contritosaurus, Estheriophagus, Eumetabolodon, Gomphiosauridion, Haligonia, Kitchingnathus, Lasasaurus, Macrophon, Myognathus, Neoprocolophon, Pentaedrusaurus, Phaanthosaurus, Procolophonichnium, Procolophoninae, Procolophonoides, Sauropareion, Spondylolestinae, Teratophon, Thelephon, Thelerpeton, Tichvinskia
Subtaxa: Anomoiodon, Hypsognathus, Kapes, Leptopleuron, Libognathus, Phonodus, Sclerosaurus, Scoloparia, Soturnia, Theledectes
Type: Leptopleuron
Ecology: