Ancestral Reptiles (Taxonomic Rank: Group)
Extinct ancestorial lineages of proto-reptiles (parareptiles) and archosauromorphs including the Procolophonomorpha, Rhynchosauria, Tanystropheidae, and Captorhinidae.

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	Abyssomedon Acerosodontosaurus Acleistorhinus Albisaurus Ankistrodon Anomoiodon Anshunsaurus Anthodon Araeoscelis Archosaurus Arctosaurus Arganaceras Askeptosaurus Australothyris Azendohsaurus Barasaurus Bashkyroleter Basileosaurus Belebey Bolosaurus Bradysaurus Bunostegos Burtensia Candelaria Captorhinus Carbonodraco Chalcosaurus Champsosaurus Coelurosauravus Coletta Colobomycter Cornualbus Crosbysaurus Delorhynchus Deltavjatia Dimetrodon Dongusuchus Elachistosuchus Elginia Elginiinae Embrithosaurus Emeroleter Eoherpeton Eomurruna Epicampodon Erpetonyx Erythrosuchus Euconcordia Eudibamus Eumetabolodon Eunotosaurus Feeserpeton Garjainia Gomphiosauridion Gracilisuchus Gwyneddosaurus Helveticosaurus Hwiccewyrm Hyperodapedon Hypsognathus Ikechosaurus Insulophon Jaikosuchus Jushatyria Kapes Karutia Kenyasaurus Kinelia Kitchingnathus Klastomycter Koiloskiosaurus Krzyzanowskisaurus Kuehneosaurus Labidosaurikos Labidosaurus Lanthaniscus Lanthanosuchus Lasasaurus Leptopleuron Lestanshoria Libognathus Longisquama Lucianosaurus Lythrosuchus Macrocephalosaurus Macroleter Mandaphon Mesosaurus Microleter Milleretta Millerosaurus Monjurosuchus Nanopareia Nanoparia Neoprocolophon Nochelesaurus Nycteroleter Nyctiphruretus Obirkovia Orenburgia Owenetta Palaeosauriscus Palaeosaurus Paleosaurus Parasaurus Pareiasaurus Pareiasuchus Pentaedrusaurus Petrolacosaurus Phaanthosaurus Pholiderpeton Phonodus Picrodon Pintosaurus Procerosaurus Procolina Procolophon Protecovasaurus Proterosuchus Protoavis Protocaptorhinus Protorosaurus Provelosaurus Pumiliopareia Rhiodenticulatus Rhipaeosaurus Rhynchosaurus Ruhuhuaria Samaria Sanchuansaurus Sarmatosuchus Saurodektes Sauropareion Saurorictus Scaphonyx Sclerosaurus Scoloparia Scutosaurus Senectosaurus Shansisuchus Sharovipteryx Shihtienfenia Soturnia Sphenosaurus Spinoaequalis Spinosuchus Spondylolestes Spondylosoma Stenaulorhynchus Tanystropheus Tanytrachelos Tasmaniosaurus Teleocrater Teratophon Theledectes Thelephon Thelerpeton Therischia Threordatoth Tichvinskia Timanophon Tokosaurus Trachelosaurus Tsylmosuchus Vytshegdosuchus Westlothiana Xenodiphyodon Youngina Youngosuchus Zatomus

= Extinct Life Forms   = Living Creatures   = Fictional Beasts   = Inanimate Objects   = Ethereal Entities    = At least one collectible is catalogued