CLASSIFICATION OF REPTILLA (Zoological Record Volume 138)
Dinosaurs are classified as reptiles. A reptile is a cold-blooded, scaly, four-legged animal that lays eggs on land. Two formal categories: Saurischia (or lizard-hip) and Ornithischia (or bird-hip) encompass the creatures that have traditionally been called dinosaurs. All of the animals in Genesis Park fit into this classification.

Reptilia (Class)

     Anapsida (Subclass)  	
         Cotylosauria + (Order)  	
         Mesosauria + (Order)  	
         Testudines (Order)  	
             Proganochelydia + (Suborder)  	
             Amphichelydia + (Suborder)  	
             Cryptodira (Suborder)  	
                 Baenidae +  	
                 Carettochelyidae  	
                 Cheloniidae  	
                 Chelydridae  	
                 Dermatemydidae  	
                 Dermochelyidae  	
                 Glyptopsidae +  	
                 Kayentachelyidae +  	
                 Kinosternidae  	
                 Meiolaniidae +  	
                 Protostegidae +  
                 Solemydidae +	
                 Testudinidae (including Emydidae) 	
                 Toxochelyidae +  	
                 Trionychidae  	
             Pleurodira (Suborder)  	
                 Chelidae 
                 Dortokidae + 	
                 Pelomedusidae
  	
     Lepidosauria (Subclass)  	
         Eosuchia + (Order)  	
         Rhynchocephalia (Order)  	
                 Claraziidae +  	
                 Pleurosauridae +  	
                 Rhynchosauridae +  	
                 Sapheosauridae +  	
                 Sphenodontidae  	
         Squamata (Order)  	
             Sauria (Suborder)  	
                 Agamidae  	
                 Aigialosauridae +  	
                 Anguidae  	
                 Anniellidae  	
                 Ardeosauridae +  	
                 Bavarisauridae +  	
                 Broilisauridae +  	
                 Carusiidae +  	
                 Chamaeleontidae  	
                 Changjiangidae +  	
                 Cordylidae  	
                 Dibamidae  	
                 Dolichosauridae +  	
                 Euposauridae +  	
                 Fulengidae +  	
                 Gekkonidae 
                 Gilmoreteiidae + (=Macrocephalosauridae +) 	
                 Helodermatidae  	
                 Iguanidae  	
                 Kuehneosauridae +  	
                 Lacertidae  	
                 Lanthanotidae  	
                 Mosasauridae +  	
                 Necrosauridae +  	
                 Paramacellodidae +  	
                 Parasaniwidae +  	
                 Pygopodidae  	
                 Scincidae  	
                 Teiidae  	
                 Varanidae  	
                 Xantusiidae  	
                 Xenosauridae  	
             Amphisbaenia (Suborder)  	
                 Amphisbaenidae  	
                 Trogonophidae  	
             Serpentes (Suborder)  	
                 Aniliidae  	
                 Anomalepididae  	
                 Anomalophiidae +  	
                 Archaeophiidae +  	
                 Boidae  	
                 Bolyeriidae  	
                 Colubridae  	
                 Dinilysiidae +  	
                 Elapidae (including Hydrophiidae) 	
                 Leptotyphlopidae  	
                 Nigeropheidae +  	
                 Pachyophiidae +  	
                 Palaeophiidae +  	
                 Simoliophiidae +  	
                 Tropidophiidae  	
                 Typhlopidae  	
                 Uropeltidae  	
                 Viperidae
  	
     Archosauria (Subclass)  	
         Thecodontia + (Order)  	
         Saurischia + (Order)  	
             Theropoda + (Suborder)  	
             Sauropodomorpha + (Suborder)  	
         Ornithischia + (Order)  	
             Ornithopoda + (Suborder)  	
             Stegosauria + (Suborder)  	
             Ankylosauria + (Suborder)  	
             Ceratopsia + (Suborder)  	
         Pterosauria + (Order)  	
             Rhamphorhynchoidea + (Suborder)  	
             Pterodactyloidea + (Suborder)  	
         Crocodylia (Order)  	
             Protosuchia + (Suborder)  	
             Archaeosuchia + (Suborder)  	
             Mesosuchia + (Suborder)  	
             Sebecosuchia + (Suborder)  	
             Eusuchia (Suborder)  	
                 Crocodylidae (including Alligatoridae; Gavialidae) 	
                 Dolichochampsidae +  	
                 Hylaeochampsidae +  	
                 Mekosuchidae +  	
                 Stomatosuchidae +
  	
     Euryapsida + (Subclass) (=Synaptosauria +) 	
         Araeoscelidia + (Order) (=Protorosauria +) 	
         Sauropterygia + (Order)  	
         Placodontia + (Order)  	
         Ichthyosauria + (Order)
  	
     Synapsida + (Subclass)  	
         Pelycosauria + (Order)  	
         Therapsida + (Order)
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