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n. pl.1.(Zool.) An extensive division of ganoids, including the gar pike, bowfin, etc.; the bony ganoids. See Illustration in Appendix.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Therefore, in the chordate, a permanent germinal epithelium first appears in Holostei (Lepisosteiformes) reported by Grier and Taylor (1998) in Centropomus undecimalis.
(1958): Super-Ordres des Holosteens et des Halecostomes (Holostei et Halecostomi), p.
The data for teleost aquaporins are thus consistent with a tertiary round of whole genome duplication (WGD) after the lineage separated from Holostei (Amores et al., 2011).