Amphicoelia

plural noun
Am·​phi·​coe·​lia | \ˌamfəˈsēlēə\

Definition of Amphicoelia 

in some classifications

: an order of extinct crocodilians comprising Mesozoic forms with amphicoelous or amphiplatyan presacral vertebrae

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First Known Use of Amphicoelia

1860, in the meaning defined above

History and Etymology for Amphicoelia

New Latin, from Late Greek amphikoilos + New Latin -ia

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The first known use of Amphicoelia was in 1860

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