Definition of Osteichthyes in English:

Osteichthyes

Syllabification: Os·te·ich·thy·es
Pronunciation: /ˌästēˈikTHē-ēz
 
/
Zoology
  • A class of fishes that includes those with a bony skeleton. Compare with Chondrichthyes.
    More example sentences
    • The division Teleostei within the Osteichthyes (bony fish) is made up of 38 orders.
    • Our analyses also give a strong support for the separation of Chondrichthyes (cartilaginous fishes) before the divergence of Osteichthyes (bony fishes) from the other gnathostomes.
    • The other two large groups are the class of Crustacea (Shrimp, Lobster, Crab) and Osteichthyes (bony fish).

Origin

modern Latin (plural), from Greek osteon 'bone' + ikhthus 'fish'.

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