from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of the bony fish, especially those of the class Osteichthyes


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  • Uncovering patterns of morphological change within Polypteridae provides an important opportunity to evaluate if the mechanisms underlying morphological evolution are shared among actinoptyerygians, and in fact, perhaps the entire osteichthyan (bony fish and tetrapods) tree of life.

    BioMed Central - Latest articles 2010

  • We use this mitochondrial phylogeny, ancestral state reconstruction, and geometric morphometrics to test whether patterns of morphological evolution, including the evolution of body elongation, pelvic fin reduction, and craniofacial morphology, are shared throughout the osteichthyan tree of life.

    BioMed Central - Latest articles 2010


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