Trionyx uintaensis, Leidy.
Cont. to Ex. Vert. Fauna, p 176.
Cottonwood Creek.
[PISCES.]
TELEOSTEI.
TELEOCEPHALI.
CYPRINODONTIDÆ.
"Head and body covered with scales; barbels, none. Margin of the upper jaw formed by the premaxillaries only. Teeth in both jaws; upper and lower pharyngeals, with cardiform teeth. Dorsal fin situated on the hinder half of the body." (Günther.)