Turtles of the World
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  • Bour 1988a
  • Taxonomic and nomenclatural status of Homopus signatus (Gmelin, 1789): Reptilia—Chelonii. J. Herpetol. Assoc. Africa (35): 1-6.
  • 1982
  • Taxonomic notes concerning the trionychid turtle Lissemys punctata (Lacepède). Amphibia-Reptilia 3: 179-184.
  • Yasukawa 1992
  • Taxonomic re-evaluation of the two subspecies of Geoemyda spengleri spengleri [sic] (Gmelin, 1789) (Reptilia: Emydidae). Japanese J. Herpetol. 14: 143-159.
  • Frair 1972
  • Taxonomic relations among chelydrid and kinosternid turtles elucidated by serological tests. Copeia
  • Frair 1979
  • Taxonomic relations among sea turtles elucidated by serological tests. Herpetologica 35: 239-244.
  • , Colantonio 1997
  • Taxonomic revision of the South American subspecies of the turtle Kinosternon scorpioides. J. Herpetol. 31: 507-513.
  • 1983
  • Taxonomic status and zoogeography of the painted turtle Chrysemys picta (Testudines: Emydidae), in Maryland. Amer. Midl. Natur. 109: 274-279.
  • 1975
  • Taxonomic status of Aspidonectes californiana Rivers, 1889 (Testudines, Trionychidae). Copeia
  • Ernst, 1977
  • Taxonomic status of the turtle, Chrysemys picta, in the northern peninsula of Michigan. Proc. Biol. Soc. Washington 90: 685-689.
  • Bickham, Carr 1983
  • Taxonomy and phylogeny of the higher categories of cryptodiran turtles based on a cladistic analysis of chromosomal data. Copeia
  • , Canning 1998
  • Taxonomy of Indian Ocean giant tortoises (Dipsochelys ssp.). Chelonian Conserv. Biol. 3: 3-19.
  • Bour 1984c
  • Taxonomy, history, and geography of Seychelles land tortoises and fresh-water turtles. In: D. R. Stoddart (ed.), Biogeography and Ecology of the Seychelles Islands, pp. 281-307. W. Junk, The Hague.
  • , 1979
  • Temperature-dependent sex determination in turtles. Science 206: 1186-1188.
  • Morreale 1982
  • Temperature-dependent sex determination: current practices threaten conservation of sea turtles. Science 216: 1245-1247.
  • , 1981
  • Temperature-sensitive periods of sex determination in emydid turtles. J. Exp. Zool. 218: 435-440
  • Merrem 1820
  • Tentamen Systematic Amphiborum. Krieger, Marburg. 191 pp.
  • , Carr 1941
  • Terrapin from Grand Cayman. Proc. New England Zool. Club. 18: 57-60.
  • Morales-Verdeja, 1997
  • Terrestrial movements in relation to aestivation and the annual reproductive cycle of Kinosternon leucostomum. Copeia
  • Shaffer 1997
  • Tests of turtle phylogeny: molecular, morphological and paleontological approaches. Syst. Biol. 46: 235-268.
  • 1930
  • Testudinate evolution. Proc. Zool. Soc. London 48: 1057-1070.
  • Crumly 1982b
  • The "parietal" foramen in turtles. J. Herpetol. 16: 317-320.
  • 1990
  • The Aspideretes nigricans mystery. British Herpetol. Soc. Bull. 34: 42-43.
  • Risley 1934
  • The activity of the coelomic (germinal) epithelium of the male musk turtle, Sternotherus odoratus (Latreille). J. Morphol. 56: 59-99.
  • 1978
  • The adaptive significance of egg morphology in two turtles (Chrysemys picta and Terrapene carolina). Bull. Maryland Herpetol. Soc. 14: 10-22.
  • Ireland, Gans 1972
  • The adaptive significance of the flexible shell of the tortoise Malacochersus tornieri. Anim. Behav. 20: 778-781.
  • , Neill 1950
  • The alligator snapping turtle, Macrochelys temminckii, in Florida. Spl. Publ. Ross Allen's Rept. Inst. 4: 1-15.
  • Pritchard 1989
  • The alligator snapping turtle: biology and conservation. Milwaukee Public Mus., Milwaukee, Wisconsin. 104 pp.
  • Zappalorti 1976
  • The amateur zoologist's guide to turtles and crocodilians. Stackpole Books, Harrisburg, Pennsylvania. 208 pp.
  • 1961
  • The amphibians and reptiles of Illinois. Illinois Natur. Hist. Surv. Bull. (28): 1-298.
  • Dundee, Rossman 1989
  • The amphibians and reptiles of Louisiana. Louisiana St. Univ. Press, Baton Rouge. 300 pp.
  • , McDiarmid 1969
  • The amphibians and reptiles of Sinaloa, Mexico. Univ. Kansas Publ. Mus. Natur. Hist. 18: 39-252.
  • , Mount 1973
  • The annual cycle of reproduction of the turtle, Pseudemys floridana floridana (Testudinata, Testudinidae) with observations on its ecology. ASB Bull. 20: 87.
  • Callard 1978
  • The annual ovarian cycle of Chrysemys picta: correlated changes in plasma steroids and parameters of vitellogenesis. Gen. Comp. Endocrinol. 35: 245-257.
  • Brewer, Killebrew 1986
  • The annual testicular cycle of Pseudemys scripta elegans (Emydidae) in the Texas panhandle. Southwest. Natur. 31: 299-305.
  • Schamberger, 1986
  • The application of habitat modeling to the desert tortoise (Gopherus agassizii) Herpetologica 42: 134-138.
  • Iverson 1989b
  • The Arizona mud turtle, Kinosternon flavescens arizonense (Kinosternidae), in Arizona and Sonora. Southwest. Natur. 34: 356-368.
  • Choudhury 1995
  • The Assam roofed turtle Kachuga sylhetensis in Sadiyappa new locality record. J. Bombay Nat. Hist Soc. 92: 426.
  • , Judd 1982
  • The biology and status of Berlandier's tortoise (Gopherus berlandieri). In: R. B. Bury (ed.), North American tortoises: conservation and ecology, pp. 57-70. U. S. Fish Wildl. Serv. Res. Rep. 12.
  • Holub, Bloomer 1977
  • The bog turtle, Clemmys muhlenbergii... a natural history. HERP, Bull. New York Herpetol. Soc. 13(2): 9-23.
  • 1895
  • The box turtles of North America. Proc. U. S. Natl. Mus. 17: 573-588.
  • 1963
  • The burrow of the gopher tortoise. Quart. J. Florida Acad. Sci. 26: 353-360.
  • 1989
  • The captive breeding project for the Angonoka Geochelone yniphora in Madagascar. Dodo (J. Jersey Wildl. Preserv. Trust) 26: 34-48.
  • 1996
  • The captive breeding project for the ploughshare tortoise Geochelone yniphora in Madagascar. In: B. Devaux (ed.), Proceedings—International Congress of Chelonian Conservation, pp. 139-140. Gonfaron, France: Editions SOPTOM.
  • Auffenberg 1966a
  • The carpus of land tortoises (Testudininae). Bull. Florida St. Mus. Biol. Sci. 10: 159-192.
  • DeSmet 1978
  • The chromosomes of 11 species of Chelonia (Reptilia). Acta Zool. Pathol. Antverp. 70: 15-34.
  • Gorman 1973
  • The chromosomes of the Reptilia, a cytotaxonomic interpretation. In: A. B. Chiarelli and E. Capanna (eds.), Cytotaxonomy and Vertebrate Evolution, pp. 349-424. Academic Press, New York.
  • Atkin 1965
  • The comparative DNA content of 19 species of placental mammals, reptiles, and birds. Chromosoma 17: 1-10.
  • Owens, 1985
  • The comparative endocrinology of sea turtles. Copeia
  • Swingland, Klemens 1989
  • The conservation biology of tortoises. Occ. Pap. IUCN Species Surv. Comm. 5: 1-202.
  • 1953
  • The courtship pattern of the box turtle, Terrapene c. carolina. Herpetologica 9: 189-192.
  • Crumly 1984
  • The cranial morphometry of Galápagos tortoises. Proc. California Acad. Sci. 43: 111-121.
  • 1905
  • The cultivation of marine and freshwater animals in Japan. The snapping turtle, or softshell tortoise, "suppon." Bull. U. S. Bur. Fish. 24: 260-266.
  • Coker 1906
  • The cultivation of the diamond-back terrapin. North Carolina Geol. Surv. Bull. 14: 1-69.
  • Lovich 1990b
  • The development and significance of melanism in the slider turtle. In: J. W. Gibbons (ed.), Life history and ecology of the slider turtle, pp. 233-254. Smithsonian Inst. Press, Washington, D. C.
  • 1955
  • The diamondback terrapins (Malaclemys terrapin) of peninsular Florida. Proc. Biol. Soc. Washington 68: 157-164.
  • , 1980
  • The dilemma of the gopher tortoise—is there a solution. Proc. 1st Ann. Meet. Gopher Tortoise Council. 80 pp.
  • 1982
  • The distribution and population biology of the gopher tortoise (Gopherus polyphemus) in South Carolina. Master's thesis, Clemson Univ., Clemson, South Carolina.
  • Ernst 1989
  • The distribution and status of the flattened musk turtle, Sternotherus depressus (Testudines: Kinosternidae). Tulane Stud. Zool. Bot. 27: 1-20.
  • 1992
  • The distribution of Graptemys pseudogeographica on the upper Sabine River. Texas J. Sci. 44: 257-258.
  • 1994
  • The distribution of the Asian brown tortoise (Manouria emys) in India and the taxonomic status of subspecies. J. Bombay Nat. Hist. Soc. 91: 147-149.
  • Iverson, Etchberger 1989
  • The distribution of the turtles of Florida. Florida Scientist 52: 119-144.
  • Ernst 1973
  • The distribution of the turtles of Minnesota. J. Herpetol. 7: 42-47.
  • Moll, D. 1986
  • The distribution, status, and level of exploitation of the freshwater turtle Dermatemys mawei in Belize, Central America. Biol. Conserv. 35: 87-96.
  • , 1987
  • The eastern box turtle, Terrapene c. carolina (Testudines: Emydidae), in North Carolina. Brimleyana 13: 123-131.
  • Morafka, 1988
  • The ecogeography of the Mexican Bolson tortoise (Gopherus flavomarginatus): derivation of its endangered status and recommendations for its conservation. Ann. Carnegie Mus. 57: 1-72.
  • Diemer 1986
  • The ecology and management of the gopher tortoise in the southeastern United States. Herpetologica 42: 125-133.
  • Carr, Giovannoli 1957
  • The ecology and migrations of sea turtles, 2. Results of field work in Costa Rica, 1955. Amer. Mus. Novitates (1835): 1-32.
  • Carr, 1959
  • The ecology and migrations of sea turtles, 3: Dermochelys in Costa Rica. Amer. Mus. Novitates (1958): 1-29.
  • Carr, 1960
  • The ecology and migrations of sea turtles, 4. The green turtle in the Caribbean Sea. Bull. Amer. Mus. Natur. Hist. 121: 1-48.
  • Carr 1966
  • The ecology and migrations of sea turtles, 6. The hawksbill turtle in the Caribbean Sea. Amer. Mus. Novitates (2248): 1-29.
  • Carr 1978
  • The ecology and migrations of sea turtles, 7. The West Caribbean green turtle colony. Bull. Amer. Mus. Natur. Hist. 162: 1-46.
  • Juvik 1981
  • The ecology and status of Geochelone yniphora; a critically endangered tortoise in Northwestern Madagascar. Biol. Conserv. 19: 297-316.
  • Moll 1994
  • The ecology of sea beach nesting in slider turtles (Trachemys scripta venusta) from Carribean Costa Rica. Chelon. Conserv. Biol. 1(2): 107-116.
  • Burbidge 1981
  • The ecology of the western swamp tortoise Pseudemydura umbrina (Testudines: Chelidae). Austr. Wildl. Res. 8: 203-222.
  • , 1993
  • The effects of salinity and temperature on appetite in the diamondback terrapin Malaclemys terrapin (Latreille). Herpetol. J. 3: 95-98.
  • , Geffen 1986
  • The Egyptian tortoise in Israel. Israel Land and Nature 12: 153-157.
  • Ewert 1979
  • The embryo and its egg: development and natural history. In: M. Harless and H. Morlock (eds.), Turtles: Perspectives and Research, pp. 333-413. Wiley-Interscience, New York.
  • 1947
  • The establishment of Trionyx sinensis in Hawaii. Copeia
  • , 1978
  • The evolutionary significance of delayed emergence from the nest by hatchling turtles. Evolution 32: 297-303.
  • 1931
  • The fauna of British India, including Ceylon and Burma. Reptilia and Amphibia, vol. 1, Loricata and Testudines. Taylor and Francis, London. 185 pp.
  • Rodhouse 1975
  • The feeding and ranging behaviour of Galapagos giant tortoises (Geochelone elephantopus): the Cambridge and London University Galapagos Expeditions, 1972 and 1973. J. Zool. London 176: 297-310.
  • Parmenter, Avery 1990
  • The feeding ecology of the slider turtle. In: J. W. Gibbons (ed.), Life history and ecology of the slider turtle, pp. 257-266. Smithsonian Inst. Press, Washington, D. C.
  • Iverson 1979c
  • The female reproductive cycle in north Florida Kinosternon baurii (Testudines: Kinosternidae). Brimleyana 1: 37-46.
  • Iverson, Moler 1997
  • The female reproductive cycle of the Florida softshell turtle (Apalone ferox). J. Herpetol. 31: 399-409.
  • Limpus 1971
  • The flatback turtle, Celonia depressa Garman in Southeast Queensland, Australia. Herpetologica 27: 431-446.
  • Limpus 1984
  • The flatback turtle, Chelonia depressa, in Queensland: reproductive periodicity, philopatry and recruitment. Austr. Wildl. Res. 11:579-587.
  • 1908
  • The fossil turtles of North America. Carnegie Inst. Washington Publ. 75: 1-568.
  • Auffenberg 1981a
  • The fossil turtles of Olduvai Gorge, Tanzania, Africa. Copeia 1981: 509-522.
  • MacFarland 1974a
  • The Galápagos giant tortoises (Geochelone elephantopus). Part I: Status of the surviving populations. Biol. Conserv. 6: 118-133.
  • MacFarland 1974b
  • The Galápagos giant tortoises (Geochelone elephantopus). Part II: Conservation methods. Biol. Conserv. 6: 198-212.
  • Caporaso 1991
  • The Galapagos tortoise conservation program: the plight and future for the Pinzón Island tortoise. In: K. R. Beaman, F. Caporaso, S. McKeown, and M. D. Graff (eds.), Proceedings of the first International Symposium on Turtles & Tortoises: Conservation and Captive Husbandry, pp. 113-116. Chapman Univ., California.
  • 1966
  • The Galápagos tortoises, Geochelone Fitzinger 1835 (Testudo Linnaeus 1758 in part). In: R. I. Bowman (ed.), The Galápagos, pp. 252-257. Proc. Symp. Galápagos Int. Sci. Proj. Univ. California Press, Berkeley.
  • 1917
  • The Galápagos tortoises. Mem. Mus. Comp. Zool. Harvard 30: 261-296.
  • Pritchard 1996a
  • The Galápagos tortoises: nomenclatural and survival status. Chelonian Res. Monogr. (1): 1-85.
  • McMorris 1976
  • The generic reassignment of Geomyda tcheponensis Bourret. Chelonia 3(2): 10-11.
  • 1983
  • The genus Emydura (Testudines: Chelidae) in New Guinea with notes on the penial morphology of Pleurodira. In: A. G. J. Rhodin and K. Miyata (eds.), Advances in Herpetology and Evolutionary Biology, pp. 169-189. Mus. Comp. Zool. Harvard, Cambridge, Mass.
  • Auffenberg 1976
  • The genus Gopherus (Testudinidae): Pt. I. Osteology and relationships of extant species. Bull. Florida St. Mus. Biol. Sci. 20: 47-110.
  • Iverson 1976a
  • The genus Kinosternon in Belize (Testudines: Kinosternidae). Herpetologica 32: 258-262.
  • Legler 1990
  • The genus Pseudemys in Mesoamerica: Taxonomy, distribution and origins. In: J. W. Gibbons (ed.). Life history and ecology of the slider turtle, pp. 82-105. Smithsonian Institution Press. Washington, D. C.
  • Crumly 1987
  • The genus name for North American gopher tortoises. Proc. Desert Tortoise Council 1984: 147-148.
  • Shaffer, Ernst 1979
  • The giant land tortoise of Aldabra, Geochelone gigantea. Bull. Maryland Herpetol. Soc. 15: 46-55.
  • 1915a
  • The giant land tortoises of the Galápagos Islands in the Tring Museum. Novitates Zool. 22: 403-417.
  • 1964
  • The giant tortoises of the Galápagos Islands. Their present status and future chances. Oryx 7: 277-290.
  • Baur 1890b
  • The gigantic land tortoises of the Galápagos Islands. Amer. Natur. 23: 1039-1057.
  • 1877
  • The gigantic land-tortoises (living and extinct) in the collection of the British Museum. London. 96 pp.
  • 1958
  • The green sea turtle, Chelonia mydas (Linn.) in Malaya and Sarawak. Proc. Zool. Soc. London 130: 455-535.
  • 1962
  • The green turtle and man. Univ. Florida Press, Gainesville. 126 pp.
  • Hirth, Carr 1970
  • The green turtle in the Gulf of Aden and Seychelles Islands. Ver. Kon. Nederl. Akad. Wetenschap., Nat. 58: 1-44.
  • Grubb 1971b
  • The growth, ecology, and population structure of giant tortoises on Aldabra. Phil. Trans. Royal Soc. London, B 260: 327-372.
  • 1906
  • The habits of certain tortoises. J. Comp. Neurol. Psychol. 16: 126-152.
  • Lynn, 1940
  • The herpetology of Jamaica. Bull. Inst. Jamaica Sci. Ser. (1): 1-148.
  • Carr 1949
  • The identity of Malacoclemmys kohnii Baur. Herpetologica 5: 9-10.
  • 1980a
  • The identity of Testudo punctata Lacepède, 1788 (Testudines, Trionychidae). Bull. Mus. Natn. Hist. Nat., Paris (4)2: 547-557.
  • 1912
  • The Indian mudturtles (Trionychidae). Rec. Indian Mus. (Calcutta) 7: 151-179.
  • Gaymer 1968
  • The Indian Ocean giant tortoise Testudo gigantea on Aldabra. J. Zool. (London) 154: 341-363.
  • 1989
  • The influence of growth rate on age and body size at maturity in female snapping turtles (Chelydra serpentina). Copeia
  • 1970
  • The influence of light and temperature on fat utilization in female Clemmys insculpta. Ohio J. Sci. 70: 233-237.
  • 1982
  • The IUCN Amphibia-Reptilia Red Data Book. Part 1. Testudines, Crocodylia, Rhynchocephalia. IUCN, Gland, Switzerland. 426 pp.
  • Carr 1981
  • The karyotype and chromosomal banding patterns of the Central American river turtle Dermatemys mawii. Herpetologica 37: 92-95.
  • Bickham 1980
  • The karyotype and chromosomal banding patterns of the green turtle (Chelonia mydas). Copeia
  • 1997
  • The karyotypes and NORs of two species of Chinemys. Herpetol. Ser. (9): Chin. Chelonian. Res., Sichuan J. Zool., Vol 15, suppl.: 97-103.
  • 1988
  • The karyotypes of Trionyx steindachneri. Zool. Res. (China) 9: 161-164.
  • Frazier 1992
  • The land tortoise in Nepal: a review. J. Bombay Nat. Hist. Soc. 89: 45-54.
  • Pritchard 1971
  • The leatherback or leathery luth. IUCN Monogr. (1): 1-39.
  • DeSola 1930
  • The liebespiel of Testudo vandenburghii, a new name for the mid-Albemarle Island Galápagos tortoise. Copeia
  • Moll, Legler 1971
  • The life history of a neotropical slider turtle, Pseudemys scripta (Schoepff), in Panama. Bull. Los Angeles Co. Mus. Natur. Hist. Sci. (11): 1-102.
  • Cagle 1950
  • The life history of the slider turtle, Pseudemys scripta troostii (Holbrook). Ecol. Monogr. 20: 31-54.
  • 1977
  • The Linnean type-specimen of Testudo geometrica. Zoon 5: 77-78.
  • Pritchard 1988
  • The loggerhead in Guyana. Marine Turtle Newsl. 43: 6-7.
  • LeBuff 1990
  • The loggerhead turtle in the eastern Gulf of Mexico. Caretta Research, Inc., Sanibel, Florida. 216 pp.
  • 1933
  • The loggerhead turtles (Carettidae) of Ceylon. Ceylon J. Sci. (B) 18: 61-72.
  • 1985
  • The Madagascan tortoise Geochelone yniphora: current status and distribution. Biol. Conserv. 34: 35-54.
  • Buskirk 1997
  • The Malayan flat-shelled turtle, Notochelys platynota. Vivarium 9(1): 6-9, 15.
  • McKeown 1991
  • The management and breeding of the Asian forest tortoise (Manouria emys) in captivity. In: K. R. Beaman, F. Caporaso, S. McKeown, and M. D. Graff (eds.)., Proceedings of the First International Symposium on Turtles and Tortoises: Conservation and Captive Husbandry, pp. 136-159. Chapman Univ., Orange, California.
  • Cann, Legler 1994
  • The Mary River tortoise: a new genus and species of short-necked chelid from Queensland, Australia (Testudines, Pleurodira). Chelonian Conserv. Biol. 1: 81-96.
  • Zug 1977
  • The matamata (Testudines: Chelidae) is Chelus not Chelys! Herpetologica 33: 53-54.
  • Richmond 1964
  • The mechanical functions of the testudinate plastron. Amer. Midl. Natur. 72: 50-56.
  • Iverson, 1979
  • The mud turtle genus Kinosternon in northeastern Mexico. Herpetologica 35: 318-324.
  • Shealy 1976
  • The natural history of the Alabama map turtle, Graptemys pulchra Baur, in Alabama. Bull. Florida St. Mus. Biol. Sci. 21: 47-111.
  • Swingland, 1978
  • The natural regulation of giant tortoise populations on Aldabra Atoll. Reproduction. J. Zool. (London) 186: 285-309.
  • Swingland, 1979
  • The natural regulation of giant tortoise populations on Aldabra Atoll: recruitment. Phil. Trans. Royal Soc. London, B 286: 177-188.
  • , 1974
  • The nesting of the Pacific ridley turtle Lepidochelys olivacea on Playa Nancite, Costa Rica. Marine Biol. 24: 97-107.
  • Weatherby 1996
  • The North American box tortoise (Terrapene carolina): home range, movement patterns and site fidelity. In: B. Devaux (ed.), Proceedings—International Congress of Chelonian Conservation, pp. 245-246. Gonfaron, France: Editions SOPTOM.
  • Cann 1997b
  • The northern yellow-faced turtle, Emydura tanybaraga sp. nov. Vic. Herp. Soc. Inc. "Monitor" 9(1): 24-29, 34-35.
  • , Buskirk 1997
  • The occurence of Testudo kleinmanni in Tripolitania. Casopis Narodniho Muzea, Rada Prirodovedna 167(1-4): 143-144.
  • Aoki 1977
  • The occurence of a short-necked chelid in the Palau Islands [in Japanese]. Jap. J. Herpetol. 7(2): 32-33.
  • Rhodin 1981
  • The occurrence of neustophagia among podocnemine turtles. British J. Herpetol. 6: 175-176.
  • Zwinenberg 1976
  • The olive ridley Lepidochelys olivacea (Escholtz, 1829): probably the most numerous marine turtle today. Bull. Maryland Herpetol. Soc. 12: 75-95.
  • 1958
  • The ordinal name for tortoises, terrapins and turtles. Herpetologica 14: 148-150.
  • Rhodin, 1982
  • The original authorship and type specimen of Dermochelys coriacea. J. Herpetol. 16: 316-317.
  • 1954
  • The painted turtle, Chrysemys picta picta, in eastern Tennessee. Copeia
  • Rhodin, 1997
  • The painted turtles (Chrysemys picta) of New England: taxonomy, morphometrics, and reproduction. In: T. Tyning. (ed.), Status and conservation of turtles of the northeastern United States: a symposium, pp. 34-40. Serpent's Tale, Lanesboro, Minnesota.
  • , 1931
  • The painted turtles of the genus Chrysemys. Zool. Ser. Field Mus. Natur. Hist. (293)18: 123-139.
  • 1993
  • The pancake tortoise. Reptile & Amphibian Mag. May/June
  • Zug 1966
  • The penial morphology and the relationships of cryptodiran turtles. Occ. Pap. Mus. Zool. Univ. Michigan (647): 1-24.
  • 1987
  • The phylogenetic relationships of soft-shelled turtles (Family Trionychidae). Bull. Amer. Mus. Natur. Hist. 186: 1-101.
  • Georges 1987
  • The pig-nosed turtle—warradjan. Austr. Nat. Hist. 22: 230-234.
  • , 1952
  • The plastron of soft-shelled turtles (Testudinata, Trionychidae): a new interpretation. J. Morphol. 90: 263-280.
  • Iverson, McCord 1989
  • The proper taxonomic allocations of Emys nigricans Gray, Emys muticus Cantor, and Geoclemys kwangtungensis Pope. Amphibia-Reptilia 10: 23-33.
  • 1986a
  • The rarest tortoise on earth. Oryx 20: 35-39.
  • Conant 1951b
  • The red-bellied terrapin, Pseudemys rubriventris (LeConte), in Pennsylvania. Ann. Carnegie Mus. 32: 281-290.
  • , Canning 1996b
  • The rediscovery of Pelusios seychellensis. Phelsuma 4: 68-69.
  • Tinkle 1959
  • The relation of the fall line to the distribution and abundance of turtles. Copeia
  • Baur 1889b
  • The relationship of the genus Deirochelys. Amer. Natur. 23: 1099-1100.
  • 1956b
  • The relationships and nomenclature of the soft-shelled turtles (genus Trionyx) of the southeastern United States. Charleston Mus. Leaflet 26: 1-21.
  • Iverson 1980a
  • The reproductive biology of Gopherus polyphemus (Chelonia: Testudinidae). Amer. Midl. Natur. 103: 353-359.
  • McPherson, 1981b
  • The reproductive biology of female Sternotherus odoratus in an Alabama population. J. Herpetol. 15: 389-396.
  • Etchberger, Ehrhart 1987
  • The reproductive biology of the female loggerhead musk turtle, Sternotherus minor minor, from the southern part of its range in central Florida. Herpetologica 43: 66-73.
  • Etchberger 1988
  • The reproductive biology of the male loggerhead musk turtle, Sternotherus minor minor, from the southern limit of its range in central Florida. Prog. Comb. Meet. Herpetol. League,... Soc. Stud. Amphib. Rept., and Amer..soc. Ichthyol. Herpetol., p. 60.
  • , 1973
  • The reproductive cycle and sexual dimorphism of the common snapping turtle, Chelydra serpentina serpentina. Herpetologica 29: 240-245.
  • Mount 1975
  • The reptiles and amphibians of Alabama. Auburn Univ. Agric. Exp. Stat., Auburn, Alabama. 347 pp.
  • Mosauer 1934
  • The reptiles and amphibians of Tunisia. Univ. California Los Angeles, Publ. Biol. Sci. I: 46-63.
  • 1884
  • The reptiles of Burmuda. Bull. U. S. Natl. Mus. (25): 285-303.
  • 1927b
  • The reptiles of Hainan. Bull. Amer. Mus. Natur. Hist. 54: 395-465.
  • Street 1979
  • The reptiles of northern and central Europe. B. T. Batsford Ltd., London. 268 pp.
  • Conant 1951a
  • The reptiles of Ohio. Univ. Notre Dame Press, Notre Dame, Indiana. 284 pp.
  • De Rooij 1915
  • The reptiles of the Indo-Australian Archipelago. Vol. 1. Lacertilia, Chelonia, Emydosauria. E. J. Brill, Leiden. 384 pp.
  • 1974
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