Leptopleuroninae

Leptopleuroninae; Temporal range: Early — Late Triassic
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	†Parareptilia
Order:	†Procolophonomorpha
Family:	†Procolophonidae
Subfamily:	†Leptopleuroninae; Ivakhnenko, 1979
Genera
	†Basileosaurus?; †Cornualbus; †Hwiccewyrm; †Hypsognathus; †Koiloskiosaurus; †Leptopleuron; †Libognathus; †Mandaphon; †Neoprocolophon; †Pentaedrusaurus; †Phonodus; †Sclerosaurus; †Scoloparia; †Soturnia; †Threordatoth;

Leptopleuroninae is an extinct subfamily of procolophonid reptiles. It is defined as all taxa closer to Leptopleuron lacertinum than to Procolophon trigoniceps. The oldest member of Leptopleuroninae is Phonodus dutoitorum from the Induan age of the Early Triassic. It is the only procolophonid group that survived into the Late Triassic.