Hyborhynchus nigellus, Cope, Edward Drinker & Yarrow, H. C., 1875

Cope, Edward Drinker & Yarrow, H. C., 1875, Report upon the collections of fishes made in portions of Nevada, Utah, California, Colorado, New Mexico, and Arizona, during the years 1871, 1872, 1873, and 1874, United States Geological Survey West 100. Meridian v. 5, Zool. 6, pp. 635-703 : 671

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