Sauropsida estas natura klado de Ĥorduloj.
†Mesosauridae
†Millerettidae
†Bolosauridae
†Procolophonoidea
†Pareiasauromorpha
†Captorhinidae
†Protorothyrididae
†Araeoscelidia
†Drepanosauromorpha
†Younginiformes
†Sauropterygia?
†Ichthyopterygia?
Rhynchocephalia
Squamata
Testudines (Testuduloj)
†Choristodera
†Allokotosauria
†Rhynchosauria
†Prolacertidae
†Proterosuchidae
†Erythrosuchidae
†Euparkeriidae
†Proterochampsidae
Crurotarsi
†Pterosauromorpha
Dinosauromorpha
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