osteichthyan
noun
os·te·ich·thy·an
ˌä-stē-ˈik-thē-ən
variants
or less commonly osteichthian
plural osteichthyans also osteichthians
: 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
adjective
or less commonly osteichthian
osteichthyan fishes
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Merriam-Webster unabridged
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