Scientific Literature
The following bibliography contains articles printed primarily in scientific journals.
These articles can be obtained by requesting reprints from the author or by reading them
in the original journals found in your local public or university library.
Agosta, S. J., and A. E. Dunham. 2004. Comment on "How the horned lizard lost its horns". Science 306.
Allen, E. R., and W. T. Neill. 1955. Establishment of the Texas horned toad, P. cornutum, in Florida. Copeia 1955(1):63-64.
Alvarez-Del Torro, M. 1982. Los Reptiles de Chipas. Instituto de Historia Natural Del Estado Department de Zoologia:12-17, 92-97.
Alvarez-Del Torro, M., and H. M. Smith. 1958. Notulae Herpetologicae Chiapasiae II. Herpetologica 14:15-17.
Alzate y Ramirez, J. A. 1884. Utilidad de los Camaleones de Nueva Espana. Naturaleza 6:195-198.
Ashton, K. G., and K. L. Ashton. 1998. Lacertilia: Phrynosoma douglasi (Short-horned Lizard). Reproduction. Herpetological Review 29:168-169.
Axtell, R. W. 1986. The epipterygoids in Phrynosoma solare, still present but disappearing. Journal of Herpetology 20(1):79-81.
Babero, B. B., and F. R. Kay. 1967. Parasites of horned toads (Phrynosoma spp.), with records from Nevada. Pages 168-175 in Journal of Parasitology.
Baharav, D. 1975. Movement of horned lizard P. solare. Copeia 1975(4):649-657.
Ballinger, R. E. 1974. Reproduction of the Texas horned lizard, P. cornutum. Herpetologica 30:321-327.
Ballinger, R. E., and D. R. Clark. 1973. Energy content of lizard eggs and the measurement of reproductive effort. Journal of Herpetology 7(2):129-132.
Ballinger, R. E., J. A. Lemos-Espinal, and G. R. Smith. 1998. Thermal Tolerance of five species of lizard from Mexico and the Southwestern USA. Bulletin of the Maryland Herpetological Society 34:1-14.
Ballinger, R. E., and G. D. Schrank. 1970. Acclimation rate and variability of critical thermal maximum in lizard P. cornutum. Physiological Zoology 43(1):19-22.
Banta, B. H. 1961. Herbivorous feeding of P. platyrhinos in southern Nevada. Herpetologica 17:136-137.
Barrows, C. W. 1997. Habitat relationships of the Coachella Valley fringe-toed lizard (Uma inornata). The Southwestern Naturalist 42:218-223.
Barrows, C. W. 2000. Tenebrionid species richness and distribution in the Coachella Valley sand dunes (Coleoptera: Tenebrionid). The Southwestern Naturalist 45:306-312.
Barrows, C. W., M. F. Allen, and J. T. Rotenberry. 2006. Boundary Processes Between a Desert Sand Dune Community and an Encroaching Suburban Landscape. Biological Conservation 131:486-494.
Barrows, C. W., A. Muth, M. Fisher, and J. E. Lovich. 1995. Coachella Valley Fringe-toed Lizards. Pages 137-131 in E. T. LaRoe, G. S. Farris, C. E. Puckett, P. D. Doran, and M. J. Mac., editors. Our Living Resources: A report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems. U. S. Geological Survey, Washington, D.C.
Baur, B. 1984. Horned toad hybrids (Phrynosoma). Salamandra 20(2/3):70-87.
Baur, B. 1986. Longevity of horned lizards of the genus Phrynosoma. Bulletin of the Maryland Herpetological Society 22(3):149-151.
Baur, B. 1987. Longevity of horned lizards of the genus Phrynosoma. Arizona Herpetological Association Newsletter 17:5-7.
Beauchamp, B., B. Wone, S. Bros, and M. Kutilek. 1998. Habitat Use of the Flat-tailed Horned Lizard (Phrynosoma mcallii) in a Disturbed Enviroment. Journal of Herpetology 32:210-216.
Beltran-Sanchez, E., F. Mendoza-Quijano, and W. C. Sherbrooke. 2000. Phrynosoma orbiculare(Mountain Horned Lizard). Herpetological Review 31:54.
Beltran-Sanchez, E., F. Mendoza-Quijano, and W. C. Sherbrooke. 2005. Aspectos reproductivos del camaleon viviparo Phrynosoma taurus (Sauria: Phrynosomatidae) de Zumpango del Rio, Guerrero. Boletin de la Sociedad Herpetologica Mexicana. 13:35-39.
Bergman, E., B. Hill, C. Montgomery, T. Childers, J. D. Manzer, J. Sifert, and S. P. MacKessy. 1998.Phrynosoma douglasii (Short-horned lizard). Herpetological Review 29:111.
Bigony, M. L. 1981. When was the last time you saw a horned lizard? Texas Parks and Widlife Magazine 39(2):28-31.
Blackburn, D. G., and F. H. Pough. 1977. Hypaxial morphology of sand lizards and horned lizards. American Zoologist 17(4):952.
Blackshear, S. D., and J. V. Richerson. 1999. Ant diet of the Texas horned lizard (Phrynosomacornutum) from the Chihuahuan Desert. Texas Journal of Science 51:147-152.
Blair, C. L., and F. Schitoskey Jr. 1982. Breeding Biology and Diet of the Ferruginous Hawk in South Dakota. Wilson Bulletin 94:46-54.
Blaney, R. M., and P. J. Kimmich. 1973. Notes on the young of the Texas horned lizard, P. cornutum. HISS 1(4):120.
Blount, R. F. 1929. Seasonal cycles of the interstitial cells in the testis of the horned toad (P. solare). Journal of Morphology 48:317-344.
Bogert, and Oliver. 1945. Herpetofauna of Sonora. Bulletin of the American Museum of Natural History 83:297-426.
Bonine, K. E., and J. Theodore Garland. 1999. Sprint performance of phrynosomatid lizards, measured on a high-speed treadmill, correlates with hindlimb length. Journal of Zoology (London) 248:255-265.
Bonn, E. W., and W. H. McCarley. 1953. The amphibians and repties [sic] of the Lake Texoma area. Texas Journal of Science 5(4):465-471.
Bott, K., T. Brown, and D. Eifler. 2001. Phrynosoma cornutum (Texas Horned Lizard). Diet. Herpetological Review. Herpetological Review 32:41.
Boulenger, E. G. 1916. On a new lizard of the genus Phrynosoma recently living in the society's gardens. Proceedings of the Zoological Soceity of London 1916(2):536-537.
Brattstrom, B. H. 1955. Pleistocene lizards from San Josecito Cavern, Mexico, with a description of a new species. Copeia:133-134.
Brattstrom, B. H. 1997. Status of the subspecies of the Coast Horned Lizard, Phrynosoma coronatum. Journal of Herpetology 31:434-436.
Brown, T. k. 1999. The Physiological Ecology of Desert Horned Lizards (Phrynosoma platyrhinos) in the Mojave Desert. Dissertation. University of California, Los Angeles, CA.
Brown, T. L., and R. V. Lucchino. 1973. Record-sized specimen of Texas horned lizard. Texas Journal of Science 24(3):353-354.
Bryant, H. C. 1911. The horned lizards of California and Nevada of the genera Phrynosoma andAnota. University of California Miscellaneous Publications in Zoology 9:1-84.
Bundy, R. E., D. E. Meyer, and J. Neess. 1955. Observations on two species of lizards in the Chihuahuan Desert. Copeia:312.
Bundy, R. E., and J. Neess. 1958. Color variation in the round-tailed horned lizard, P. modestum. Ecology 39:463-477.
Burke, R. L. 1991. Relocations, repatriations, and translocations of amphibians and reptiles: taking a broader view. Herpetologica 47(3):350-357.
Burleson, G. L. 1942. The source of blood ejected from the eye by horned lizards. Copeia 1942(4):246-248.
Burns, J. M., and J. S. Richards. 1974. Effects of Mammalian and Host Gonadotropins on the Ovaries and Oviducts of Female Texas Horned Lizards, Phrynosoma cornutum. Comparative Biochemistry and Physiology 47A:655-661.
Burrow, A. L., R. T. Kazmaier, E. C. Hellgren, and D. I. Ruthven. 2000. The effects of burning and grazing on survival, home range, and prey dynamics of the Texas horned lizard in a thornscrub ecosystem. in M. W. Ford, K. R. Russell, and C. E. Moorman, editors. The Role of Fire in Nongame Wildlife Management and Community Restoration: Traditional Uses and New Directions Proceedings of a Special Workshop. USDA Forest Service Northeastern Research Station, Nashville, TN.
Burrow, A. L., R. T. Kazmaier, E. C. Hellgren, and D. I. Ruthven. 2001. Microhabitat Selection by Texas Horned Lizards in Southern Texas. Journal of Wildlife Management 65:645-652.
Burt, C. E. 1932. The status of the horned lizard P. brevicornis, described from Texas by E.G. Boulenger (1916). Proceedings of the Biological Society of Washington 45:73-74.
Bury, R. B. 1982. Structure and Composition of Mojave Desert Reptile Communities Determined with a Removal Method. Pages 135-142 in J. Norman J. Scott, editor. Herpetological communities: a symposium of the Society for the Study of Amphibians and Reptiles and the Herpetologists' League, August 1977. U. S. Department of the Interior, Fish and Wildlife Service, Washington, D.C.
Cahn, A. R. 1926. The breeding habits of the Texas horned toad, P. cornutum. American Naturalist 60(671):546-551.
Calwell, M. E., and D. L. Ryerson. 1939. Salmonellosis in certain reptiles. Journal of Infectious Diseases 65:242-245.
Calwell, M. E., and D. L. Ryerson. 1940. A new species of the genus Pseudomonas pathogenic for certain reptiles. Journal of Bacteriology 39:323-336.
Carey, S. D. 1983. Geographic distribution: P. cornutum. Herpetological Review 14(1):28.
Castellano, M. J., and T. J. Valone. 2006. Effects of livestock removal and perennial grass recovery on the lizards of a desertified arid grassland. Journal of Arid Environments 66:87-95.
Castillo-Olivares, R. M. 1993. Estudio biologico poblacional de Phrynosoma orbiculare corteziiAug. Dumeril y Bocourt (Lacertilia - Iguanidae) en Los Molinos, MPIO de Perote, Ver. Mexico. Senior Thesis (Licenciado en Biologia). Universidad Veracruzana, Veracruz.
Cavazos, L. F. 1951. Spermatogenesis of the horned lizard P. cornutum. American Naturalist 85(825):373-379.
Christian, K. A. 1998. Thermoregulation by the short-horned lizard (Phrynosoma douglassi) at high elevation. The Journal of Thermal Biology 23:395-399.
Clemente, C. J., G. G. Thompson, P. C. Withers, and D. Lloyd. 2004. Kinematics, maximal metabolic rate, sprint and endurance for a slow-moving lizard, the thorny devil (Moloch horridus). Australian Journal of Zoology 52:487-503.
Cohen, A. C., and J. L. Cohen. 1990. Ingestion of blister beetles by a Texas horned lizard. Southwestern Naturalist 35(3):369.
Cope, E. D. 1864. Contributions to the herpetology of tropical America. Proceedings of the Academy of Natural Sciences of Philadelphia:166-181.
Craig, K. B., and S. D. Blackshear. 2002. Phrynosoma cornutum (Texas Horned Lizard) Behavior. Herpetological Review 33:310.
Creusere, F. M., and W. G. Whitford. 1982. Temporal and spatial resource partitioning in a Chihuahuan Desert lizard community. Pages 121-127 in J. Norman J. Scott, editor. Herpetological communities: a symposium of the Society for the Study of Amphibians and Reptiles and the Herpetologists' League, August 1977. U. S. Department of the Interior, Fish and Wildlife Service, Washington, D.C.
Cuesta-Terron, C. 1932. Los camaleones mexicanos. Anales del Instituto de Biologia, Universidad Nacional Autonoma Nacional de Mexico 3:95-121.
Cutter, W. L. 1959. An instance of blood-squirting by P. solare. Copeia 1955:176.
Dammann, J. 1949. Birth of eighteen young P. douglassi Hernandesi. Herpetologica 5:144.
Davis, D. E. 1941. Food of an introduced horned lizard. Herpetologica 2(3):70.
Davis, W. B., and J. R. Dixon. 1961. Reptiles of the Chilpancingo Region, Mexico. Proceedings of the Biological Society of Washington 74?
De Queiroz, K., and J. Wilgenbush. 1999. Phylogenetic Relationships Among Phrynosomatid Sand Lizards Inferred from Mitochondrial DNA Sequences. in Proceedings of the Joint Meeting of Ichthyologists and Herpetologists, University Park Pennsylvania.
deVore, M. L. 1985. The horned lizards of New Mexico. Canadian Amphibian and Reptile Conservation Society 23(1):1-4.
Ditmars, R. L. 1949. The Reptiles of North America. The Horned Lizards. Pages 60-74 in. Doubleday and Company, New York, NY.
Dixon, J. R., C. A. Ketchersid, and C. S. Lieb. 1972. The herpetofauna of Queretaro, Mexico, with remarks on taxonomic problems. The Southwestern Naturalist 16:225-237.
Dodd, K. C., Jr., and R. A. Siegel. 1991. Relocation, repatriation, and translocation of amphibians and reptiles: are they conservation strategies that work? Herpetologica 47(3):336-350.
Donaldson, W., A. H. Price, and J. Morse. 1994. The current status and future prospects of the Texas Horned Lizard (Phrynosoma cornutum) in Texas. The Texas Journal of Science 46:98-113.
Dumas, P. C. 1964. Species-pair allopatry in the genera Rana and Phrynosoma. Ecology 45:178-181.
Edwards, C. L. 1896. Life habits of Phrynosoma. Science 3(73):763-765.
Endriss, D. A., E. C. Hellgren, S. F. Fox, and R. W. Moody. 2007. Demography of an urban population of the Texas horned lizard (Phrynosoma cornutum) in central Oklahoma. Herpetologica 63:320-331.
Esque, T. C., C. R. Schwalbe, L. A. DeFalco, R. B. Duncan, and T. J. Hughes. 2003. Effects of desert wildfires on desert tortise (Gopherus agassizzi) and other small vertebrates. The Southwestern Naturalist 48:103-110.
Estes, R., K. de Queiroz, and J. Gauthier. 1988. Phylogenetic Relationships within Squamata. Stanford University Press, Stanford, CA.
Etheridge, R. 1958. Pleistocene lizards of the Cragin Quarry fauna of Meade County, Kansas. Copeia 1958:94-101.
Fair, S. W., and S. E. Henke. 1997a. Efficacy of capture methods for a low density population ofPhrynosoma cornutum. Herpetological Review 28:135-137.
Fair, S. W., and S. E. Henke. 1998. Habitat Use of Texas Horned Lizards in Southern Texas. Texas Journal of Agriculture and Natural Resources 11:73-86.
Fair, W. S., and S. E. Henke. 1997b. Effects of Habitat Manipulations on Texas Horned Lizards and Their Prey. Journal of Wildlife Management 61:1366-1370.
Fisher, M., and A. Muth. 1989. A technique for permanently marking lizards. Herpetological Review 20(2):45-46.
Fisher, R. N., A. V. Suarez, and T. J. Case. 2002. Spatial patterns in the abundance of the coastal horned lizard. Conservation Biology 16:205-215.
Frierson, L. S. 1927. P. cornutum (Harlan) in Louisiana. Copeia 165:114.
Funk, R. S. 1965. Food of Crotalus cerastes laterorepens in Yuma County, Arizona. Herpetologica 21:15-17.
Funk, R. S. 1981. Phrynosoma mcallii (Hallowell) Flat-tailed horned lizard. Catalogue of American Amphibians and Reptiles 281.
Girard, C. 1852. A monographic essay on the genus Phrynosoma. U.S. 32nd Congress, Special Session, Senate Executive Doc. 3.
Givier, J. P. 1922. Notes on the oecology and life-history of the Texas horned lizard, P. cornutum. Journal of the Elisha Mitchell Science Society 37(3and4):130-137.
Goldberg, S. R. 1971. Reproduction in the short-horned lizard P. douglassi in Arizona. Pages 311-314 in Herpetologica.
Goldberg, S. R. 1983. Reproduction of the coast horned lizard, P. coronatum, in southern California. Southwestern Naturalist 28(4):478-479.
Goldberg, S. R., and C. R. Bursey. 1991. Gastrointestinal helminths of the Mexican horned lizardsPhrynosoma braconnieri and Phrynosoma taurus (Iguanidae). The Southwestern Naturalist 36:365-368.
Goldberg, S. R., and C. R. Bursey. 2000. Lacertilia: Phrynosoma ditmarsi (Rock Horned Lizard). Endoparasites. Herpetological Review 31:242.
Grant, T. J. 2005. Flat-tailed Horned Lizards (Phrynosoma mcallii): Population Size Estimation, Effects of Off-highway Vehicles, and Natural History. Master of Science. Colorado State University, Fort Collins, Colorado.
Grant, T. J., and P. F. Doherty. 2007. Monitoring of the flat-tailed horned lizard with methods incorporating detection probability. Journal of Wildlife Management 71:1050-1056.
Griffith, B., J. M. Scott, J. W. Carpenter, and C. Reed. 1989. Translocation as a species conservation tool status and strategy. Science 245:477-480.
Grinnell, J., and C. L. Camp. 1917. A distributional list of the amphibians and reptiles of California. University of California Miscellaneous Publications in Zoology 17:127-131, 164-169.
Guyer, C., and A. D. Linder. 1986. Growth and population-structure of the short-horned lizard (Phrynosoma douglassi) and the sagebrush lizard (Sceloporus graciosus) in southeastern Idaho. Northwestern Scientist 59(4):294-303.
Hager, S. B., and B. H. Brattstrom. 1997. Surface Activity of the San Diego Horned Lizard,Phrynosoma coronatum Blainvillii. The Southwestern Naturalist 42:339-344.
Hallowell, M. D., Edward. 1852. Descriptions of new species of reptiles inhabiting North America. Proceedings of the Academy of Natural Sciences of Philadelphia:177-182.
Harris, R. W. 1958. A nocturnal tendency in P. platyrhinos. Copeia 1958:222.
Heath, J. E. 1962. Temperature-independent morning emergence in lizards of the genus Phrynosoma. Science 138(3543):891-892.
Heath, J. E. 1964. Head-body temperature differences in horned lizards. Physiological Zoology 37:273-279.
Heath, J. E. 1965. Temperature regulation and diurnal activity in horned lizards. University of California Miscellaneous Publications in Zoology 64(3):97-136.
Heath, J. E. 1966. Venous shunts in the cephalic sinuses of horned lizards. Physiological Zoology 39(1):30-35.
Henke, S. E. 2003. Baseline survey of Texas horned lizards, Phrynosoma cornutum, in Texas. Southwestern Naturalist 48:278-282.
Henke, S. E., and M. Montemayor. 1998. Diel and monthly variations in capture success ofPhrynosoma cornutum via road cruising in southern Texas. Herpetological Review 29:148-150.
Hernandez-Ibarra, X., and A. Ramirez-Bautista. 2002. Reproductive Characteristics of the Roundtail Horned Lizard, Phrynosoma modestum, from the Chihuahuan Desert of Mexico. The Southwestern Naturalist 47:138-141.
Hernandez-Ibarra, X., A. Ramirez-Bautista, and R. Torres-Cervantes. 2000. Phrynosoma orbiculare orbiculare (Mexican Plateau Horned Lizard). Reproduction. Herpetological Review 31:175-176.
Herrel, A., J. J. Meyers, and B. Vanhooydonck. 2002. Relations between microhabitat use and limb shape in phrynosomatid lizards. Biological Journal of the Linnean Society 77:149-163.
Hewatt, W. G. 1937. Courting and egg-laying habits of P. cornutum. Copeia 1937:234.
Hodges, W. L. 1995. Phrynosoma ditmarsi Stejneger: Rock Horned Lizard. Catalogue of American Amphibians and Reptiles 614:1-3.
Hodges, W. L. 2004a. Defensive blood squirting in Phrynosoma ditmarsi and a high rate of human-induced blood squirting in Phrynosoma asio. Southwestern Naturalist 49:267-270.
Hodges, W. L. 2004b. Evolution of viviparity in horned lizards (Phrynosoma): testing the cold-climate hypothesis. Journal of Evolutionary Biology 17:1230-1237.
Hodges, W. L., and K. R. Zamudio. 2004. Horned lizard (Phrynosoma) phylogeny inferred from mitochondrial genes and morphological characters: understanding conflicts using multiple approaches. Molecular Phylogenetics and Evolution 31:961-971.
Holman, J. A. 1987. Some Amphibians and Reptiles from the Oligocene of Northeastern Colorado. Dakoterra 3:16-21.
Holte, A. E., and M. A. Houck. 2000. Juvenile greater roadrunner (Cuculidae) killed by choking on a Texas horned lizard (Phrynosomatidae). The Southwestern Naturalist 45:74-76.
Hook, A. W., and S. D. Porter. 1990. Destruction of harvester ant colonies by invading fire ants in south-central Texas (Hymenoptera: Formicidae). Southwestern Naturalist 35(4):477-478.
Horowitz, S. B. 1955. An arrangement of the subspecies of the horned lizard, P. orbiculare. American Midland Naturalist 54:204-218.
Howard, C. W. 1974. Comparative reproductive ecology of horned lizards (genus Phrynosoma) in southwestern United States and northern Mexico. Journal of the Arizona Academy of Science 9(3):108-116.
Huey, R. B., and M. Slatkin. 1976. Cost and benefits of lizard thermoregulation. The Quarterly Review of Biology 51:363-384.
Jarvis, M. M. 1908. The segregation of the germ-cells of P. cornutum: preliminary note. Biological Bulletin 15(3):119-126.
Jennings, M. R. 1988a. Impact of the curio trade for San Diego horned lizards (P. coronatum blainvilli) in the Los Angeles Basin, CA. Journal of Herpetology 21(4):356-358.
Jennings, M. R. 1988b. Phrynosoma cerroense Stejneger (Cedros Island Horned Lizard). Catalogue of American Amphibians and Reptiles:427.421-427.422.
Jennings, M. R. 1988c. Phrynosoma coronatum (Blainville). Catalogue of American Amphibians and Reptiles:428.421-428.425.
Jones, K. B., L. P. Kepner, and T. E. Martin. 1985. Species of reptiles occupying habitat islands in Western Arizona: a deterministic assemblage. Oecologia 66:595-601.
Jones, S. R., and S. A. Phillips, Jr. 1990. Resource collecting abilities of Solenopsis invicta compared with those of three sympatric Texas ants. Southwestern Naturalist 35(4):416-422.
Kittredge, V. C., P. W. Wilson, and W. Caire. 2006. An Updated Checklist of the Food Items of the Great Horned Owl (Bubo virginianus: Strigiformes: Strigidae) in Oklahoma. Proceedings of the Oklahoma Academy of Science 86:33-38.
Klauber, L. M. 1932. The flat-tailed horned toad in lower California. Copeia 1932:100.
Klauber, L. M. 1936. The horned lizards of the coronatum group. Copeia 1936:103-110.
Knowlton, G. F., and B. A. Baldwin. 1953. Ants in horned toad. Herpetologica 9:70.
Kretzer, J. E., and J. F. Cully. 2001. Prairie dog effects on harvester ant species diversity and density. Journal of Range Management 54:11-14.
Lambert, S., and G. M. Ferguson. 1985. Blood ejection frequency by P. cornutum. Southwestern Naturalist 30(4):616-617.
Laughlin, H. E. 1966. A study of the interrelationships in natural populations of several species of lizards. University of Texas Dissertation.
Lawrence, J., and D. C. Wilhoft. 1958. Cryptic coloration in lava-dwelling horned lizards. Copeia 1958:43-44.
Lee, S. H. 1955. The mode of egg dispersal in Physaloptera phrynosoma Ortlepp (Nematoda: Spiruroidea), a gastric nematode of Texas horned toads, P. cornutum. Journal of Parasitology 41:70-74.
Lee, S. H. 1957. The life cycle of Skrjabinoptera phrynosoma (Ortlepp) Schulz, 1927 (Nematoda: Spiruroidea), a gastric nematode of Texas horned toads, P. cornutum. Journal of Parasitology 43:66-75.
Leichner, J. P. 1970. Effects of thiourea and thyroid stimulating hormone at two different environmental temperatures on the radio-iodine uptake by the thyroid of the horned lizard, P. cornutum and P. platyrhinos. PhD Dissertation, Catholic University of America?
Lemos-Espinal, J., D. Chiszar, C. Henke, and H. M. Smith. 1998a. Phrynosoma cornutum (Texas Horned Lizard). Predation. Herpetolgical Review 29:168.
Lemos-Espinal, J. A., D. Chiszar, C. Henke, and H. M. Smith. 1998b. Phrynosoma douglasi (short-horned lizard) reproduction. Herpetological Review 29:168.
Lemos-Espinal, J. A., G. R. Smith, and R. E. Ballinger. 1997. Observations on the Body Temperatures and Natural History of Some Mexican Reptiles. Bulletin of the Maryland Herpetological Society 33:159-164.
Lemos-Espinal, J. A., H. M. Smith, and D. Chiszar. 2001. Phrynosoma (horned lizards). Protection. Herpetological Review 32:41-42.
Lewis, T. H. 1950. The herpetofauna of the Tularosa Basin and Organ Mountains of New Mexico with notes on some ecological features of the Chihuahuan Desert. Herpetologica 6:1-10.
Linsdale, J. M. 1932. Amphibians and reptiles from lower California. University of California Miscellaneous Publications in Zoology 38:345-369.
Lomolino, M. V., and G. A. Smith. 2004. Terrestrial vertebrate communities at black-tailed prairie dog (Cynomys ludovicianus) towns. Biological Conservation 115:89-100.
Long, D. R. 1991. Horned lizards. Reptile and Amphibian Magazine July/August 1991.
Lowe, C. H. 1954. Normal field movements and growth rates of marked regal horned lizards (P. solare). Ecology 35(3):420-421.
Lowe, C. H., and C. W. Howard. 1975. Viviparity and reproductive pattern in Phrynosoma ditmarsiin Sonora, Mexico. The Southwestern Naturalist 20:265-270.
Lowe, C. H., Jr. 1947. Polychromatism in Phrynosoma. Herpetologica 4(2):77.
Lowe, C. H., M. Robinson, and V. D. Roth. 1971. A population of P. ditmarsi from Sonora, Mexico. Journal of the Arizona Academy of Science 6:275-277.
Lowe, C. H., and W. H. Woodin. 1954. Aggressive behavior in Phrynosoma. Herpetologica 10:48.
Lynn, R. T. 1965. A comparative study of display behavior in Phrynosoma. Southwestern Naturalist 10(1):25-30.
MacMahon, J. A., J. F. Mull, and T. O. Crist. 2000. Harvester ants (Pogonomyrmex spp.): Their community and ecosystem influences. Annual Review of Ecology and Systematics 31:265-291.
Manley, D. G., and W. C. Sherbrooke. 2001. Predation on velvet ants (Hymenoptera: Mutillidae) by Texas Horned Lizards (Phrynosoma). The Southwestern Naturalist 46:221-222.
Marion, K. R., and J. J. Dindo. 1980. Geographic distribution: P. cornutum. Herpetological Review 11:14.
Martin, D. 2006. The Blood-squirting Short-horned Lizard. Pages 35-37 in Colorado Outdoors.
Mayhew, W. W. 1965. Hibernation in the horned lizard, P. mcalli. Comparative Biochemical Physiology 16:103-119.
Mays, C. E., and M. A. Nickerson. 1968. Nocturnal behavior in iguanid lizards and possible correlation with road kills. Herpetologica 24:258-259.
McAllister, C. T., and C. R. Bursey. 2007. Some nematode and acanthocephalan parasites of the longnose leopard lizard, Gambelia wislizenii (Lacertilia: Crotaphytidae), from Arizona, California, and Texas, with a summary of the helminths reported from this host. Comparative Parasitology 74:179-184.
McCoy, J., C. J., and D. H. Van Horn. 1962. Herpetozoa from Oaxaca and Chiapas. Herpetologica 18:180-186.
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