From Ancient Greek ὀστέον (osteon, “bone”) + ἰχθύς (ikhthūs, “fish”).
"osteichthyes." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Osteichthyes>.
osteichthyes. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Osteichthyes
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