LITERATURE CITED
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- Brattstrom , B. H. 1958 . New records of Cenozoic amphibians and reptiles from California. . Bulletin of the Southern California Academy of Science , 57 : 5 – 12 .
- Brattstrom , B. H. 1961 . Some new fossil tortoises from western North America with remarks on the zoogeography and paleoecology of tortoises. . Journal of Paleontology , 35 : 543 – 560 .
- Brattstrom , B. H. 1967 . A succession of Pliocene and Pleistocene snake faunas from the High Plains of the United States. . Copeia , 1967 : 188 – 202 .
- Dalquest , W. W. 1983 . Mammals of the Coffee Ranch local fauna Hemphillian of Texas. Occasional Publications of the Texas Memorial Museum . The Pearce-Sellards Series , 38 : 1 – 41 .
- Dowling , H. G. and Duellman , W. E. 1978 . Systematic Herpetology: A Synopsis of Families and Higher Categories 118 New York : Hiss Publications .
- Holman , J. A. 1964 . Fossil snakes from the Valentine Formation of Nebraska. . Copeia , 1964 : 631 – 637 .
- Holman , J. A. 1970 . Herpetofauna of the Wood Mountain Formation (upper Miocene) of Saskatchewan. . Canadian Journal of Earth Sciences , 7 : 1317 – 1325 .
- Holman , J. A. 1972 . Herpetofauna of the Kanopolis local fauna (Pleistocene: Yarmouth) of Kansas. . Michigan Academician , 5 : 87 – 98 .
- Holman , J. A. 1973 . Reptiles of the Egelhoff local fauna (upper Miocene) of Nebraska. Contributions from the Museum of Paleontology . University of Michigan , 24 : 125 – 134 .
- Holman , J. A. 1975 . Herpetofauna of the Wakeeney local fauna (lower Pliocene: Clarendonian) of Trego County, Kansas. . University of Michigan Papers in Paleontology , 12 : 49 – 66 .
- Holman , J. A. 1976 . Snakes of the Split Rock Formation (middle Miocene) of central Wyoming. . Herpetologica , 32 : 419 – 436 .
- Holman , J. A. 1977 . Upper Miocene snakes (Reptilia, Serpentes) from southeastern Nebraska. . Journal of Herpetology , 11 : 323 – 325 .
- Holman , J. A. 1978 . Herpetofauna of the Bijou Hills local fauna (late Miocene: Barstovian) of South Dakota. . Herpetologica , 34 : 253 – 257 .
- Holman , J. A. 1979 . A review of North American Tertiary snakes. Publications of the Museum, Michigan State University . Paleontological Series , 1 : 200 – 260 .
- Holman , J. A. 1982 . A fossil snake (Elaphe vulpina) from a Pliocene ash bed in Nebraska. . Transactions of the Nebraska Academy of Sciences , 10 : 37 – 42 .
- Parmley , D. 1984 . “ Herpetofauna of the Coffee Ranch local fauna (Hemphillian Land Mammal Age) of Texas ” . In Festschrift for Walter W. Dalquest Edited by: Horner , N. V. 97 – 106 . Midwestern State University Press .
- Parmley , D. 1986 . Herpetofauna of the Rancholobrean Schulze ave local fauna of Texas. . Journal of Herpetology , 20 : 1 – 10 .
- Parmley , D. 1987 . Lampropeltis similis from the Coffee Ranch local fauna (Hemphillian Land Mammal Age) of Texas. . The Texas Journal of Science , 39 : 123 – 128 .
- Rage , J.-C. 1984 . Serpentes , Encyclopedia of Paleoherpetology, Part 11 80 Stuttgart : Gustav Fischer Verlag .
- Reed , L. C. and Longnecker , O. M. 1932 . The geology of Hemphill County, Texas. . University of Texas Bulletin , : 1 – 98 .
- Rogers , K. L. 1976 . Herpetofauna of the Beck Ranch local fauna (upper Pliocene: Blancan) of Texas. Publications of the Museum, Michigan State University . Paleontological Series , 1 : 163 – 200 .
- Rogers , K. L. 1987 . Pleistocene high altitude amphibians and reptiles from Colorado (Alamosa local fauna: Pleistocene: Irvingtonian). . Journal of Vertebrate Paleontology , 7 : 82 – 95 .
- Schultz , G. E. 1977 . Guidebook, field conference on late Cenozoic biostratigraphy of the Texas Panhandle and adjacent Oklahoma. Killgore Research Center . West Texas State University Special Publication , 1 : 1 – 160 . (mimeograph)
- Webb , S. D. 1984 . “ Ten million years of mammal extinctions in North America ” . In Quaternary Extinctions: A Prehistoric Revolution Edited by: Martin , P. S. and Klein , R. G. 189 – 210 . Tucson : University of Arizona Press .