Habrosaurus Hadrokkosaurus Hapsidopareion Hatzegobatrachus Hemprichisaurus Heptasaurus Horezmia Hylaeobatrachus Hyperkynodon
I
Icanosaurus Indobenthosuchus Indobrachyops Indolyrocephalus Inflectosaurus Inflectosuchus Intasuchus Iratusaurus Iridotriton Isodectes Itemirella
J
Jammerbergia Jeholotriton
K
thumb|Karaurus Kamacops Karaurus Keraterpeton Keratobrachyops Kestrosaurus Kizylkuma Koalliella Kokartus Komatosuchus Konzukovia Koolasuchus Koskinonodon Kourerpeton Kuttycephalus
L
thumb|Laidleria Labyrinthodon Laccocephalus Laccosaurus Laccotriton Lafonius Laidleria Lapillopsis "Latiscopus" Latonia Leiocephalikon Lepterpeton Lethiscus Liaobatrachus Liaoxitriton Limnerpeton Limnoiketes Limnogyrinus Lisserpeton Lithobatrachus Llankibatrachus Llistrofus Longiscitula Luzocephalus Lydekkerina Lyrocephaliscus Lysorophus
M