| Citation | Grove, J.S. and R.J. Lavenberg, 1997, The fishes of the Galápagos Islands.. Stanford University Press, Stanford, 863 p. |
| Ref. | 28023 Grove, J.S. and R.J. Lavenberg, 1997 |
| Page | 467-468 |
| Named Used as Valid | Polydactylus approximans |
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