Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Rhynchocephalia

This order is a taxonomic oddity, because it contains but a single species, the tuatara, although we have an extensive fossil record of other species that would have been classified as Rhynchocephalia if they were still extant.

Family classified within this order:

Feel free to supersede this wu.

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