plural noun
Am·phi·rhi·na | \ˌamfəˈrīnə\

Definition of Amphirhina 

in some classifications

: a primary division of Vertebrata having double nasal chambers and including all vertebrates except the lancelets and cyclostomes

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Other Words from Amphirhina

amphirhinal \¦⸗⸗¦rīnᵊl \ adjective
amphirhine \ˈ⸗⸗ˌrīn \ adjective

First Known Use of Amphirhina

1869, in the meaning defined above

History and Etymology for Amphirhina

New Latin, from amphi- + -rhina (from Greek rhin-, rhis nose)

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The first known use of Amphirhina was in 1869

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