Bibliography
Kluge, A. G. 1966. a new pelobatine frog from the lower Miocene of South Dakota with a discussion of the evolution of the Scaphiopus-Spea complex. Contributions in Science. Natural History Museum of Los Angeles County 113: 1-26.
Kluge, A. G. 1966. a new pelobatine frog from the lower Miocene of South Dakota with a discussion of the evolution of the Scaphiopus-Spea complex. Contributions in Science. Natural History Museum of Los Angeles County 113: 1-26.
