Ko e fanga Monumanu ngaolo pe totolo (sauropsida) ko e pupunga siʻi ia ʻo e ngaahi monumanu veʻefā. Ka naʻe mahuʻinga taha honau haʻa ʻi māmani ʻosi he taʻu ʻe ono noa miliona tupu.
He onopooni ʻoku toe ʻa e holongā ʻe fā ʻi he haʻá ni:
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moko mo ngata (squamata)
- moko
- pili
- mokotea
- fokai
- kalihelihe
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ngata, ʻoku ʻauhamālie ʻi Tongá ni, mahalo pē lolotonga he teautaʻu hono 16.
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fonu (testudines)
- fonu koloa
- fonu tongotongo
- fonu tungange
- fonu tuʻakula
- fonu tuʻapolata
- fonu tuʻaʻuli
- tūfonu
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fonu ʻuta, ko e taha pē nofo ʻi ʻuta (ʻikai ʻi he tahi)
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kalokataile mo ʻalakeita (crocodilia), ʻoku ʻikai nofo ʻi Tongá ni.
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tuatala (sphenodontia), ko e tuatara mei Nuʻusila pē (ʻasi ʻi he ʻata).
Ko e kupu ʻeni ko e potuʻi ia (stub). ʻIo, ko koe, kātaki tokoni mai ʻi hono .