osteichthyan

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noun os·te·ich·thy·an \ˌä-stē-ˈik-thē-ən\
variants: less commonly

osteichthian

Definition of osteichthyan

plural

osteichthyans

also

osteichthians

  1. :  a fish of the class Osteichthyes :  a bony fish Extant jawed vertebrates, or gnathostomes, fall into two major monophyletic groups, namely chondrichthyans (cartilaginous fishes) and osteichthyans (bony fishes and tetrapods). — Hector Botella et al., Nature, 2 Aug. 2007

osteichthyan

less commonly

osteichthian

adjective osteichthyan fishes

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First Known Use of osteichthyan

1967


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