- Waagen 1984
- Sexually dimorphic plastral kinesis in Heosemys spinosa. Herpetol. Rev. 15: 33-34.
- Wagler 1830
- Natürliches System der Amphibien, mit Vorangehander Classification der Säugtiere und Vögel. J. G. Cotta'schen Buchhandlung, München. 354 pp.
- Wahlquist 1970
- Sawbacks of the Gulf Coast. Int. Turtle & Tortoise Soc. J. 4(4): 10-13, 28.
- Wahlquist, Folkerts 1973
- Eggs and hatchlings of Barbour's map turtle, Graptemys barbouri Carr and Marchand. Herpetologica 29: 236-237.
- , Gruss 1986
- Investigaciones primarias sobre biología y comercio de Geochelone chilensis (Gray, 1870). Etapa 1. Grupo Herpetofauna, Fundación Vida Silvestre Argentina. 72 pp.
- , Micucci 1997
- Land use and grazing in relation to the genus Geochelone in Argentina. In: J. van Abbema (ed.), Proceedings: Conservation, Restoration, and Management of tortoises and turtles—An International Conference, pp. 2-9. New York Turtle & Tortoise Soc., Purchase, New York.
- Warner 1982
- Terrapene c. carolina (eastern box turtle). Reproduction. Herpetol. Rev. 13: 48-49.
- 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.
- , 1967
- Systematics, fossil history, and evolution of the genus Chrysemys. Tulane Stud. Zool. 14: 63-73.
- , 1967
- A re-evaluation of fossil turtles of the Chrysemys scripta group. Tulane Stud. Geol. 5: 53-66.
- , Legler 1960
- A new softshell turtle (genus Trionyx) from Coahuila, Mexico. Univ. Kansas Sci. Bull. 40: 21-30.
- Weiss 1989
- A chelonian puzzle: the Indo-Chinese box turtle in captivity. Plastron Papers. January: 20-24.
- Weissinger 1987b
- Testudo graeca anamurensis ssp. nov. aus Kleinasien. Ögh-Nachrichten (10/11): 14-17.
- Weissinger 1987
- Erstnachzucht der Großenkopfschildkröte, Platysternon m. megacephalum Gray, 1831 (Reptilia: Testudines: Platysternidae). ÖGH-Nachrichten 12/13: 72-74.
- Weissinger 1987a
- Haltung von Manouria impressa Guenter 1882 (Testudinidae). Elaphe 9: 9-10.
- , Wellington 1985
- A classification of the Amphibia and Reptilia of Australia. Australian J. Herpetol. 1: 73-129.
- , Wellington 1984
- A synopsis of the class Reptilia in Australia. Australian J. Herpetol. 1: 73-129.
- Wermuth 1952
- Testudo hermanni robertmertensi n. subsp. und ihr Vorkommen in Spanien. Senckenbergiana 33: 157-164.
- Wermuth 1969
- Eine neue Grosskopfschildkröte, Platysternon megacephalum vogeli, n. ssp. Aquar.-Terr. Zeitsch. 22: 372-374.
- Wermuth 1958
- Status and Nomenclatur der Maurischen Landschildkröte, Testudo graeca, in SW-Asien und NO-Afrika. Senck. Biol. 39(3/4): 372-374.
- Wermuth, 1977
- Liste der rezenten Amphibien und Reptilien. Testudines, Crocodylia, Rhynchocephalia. Das Tierreich, Berlin 28: 1-174.
- Wermuth, 1961
- Schildkröten, Krocodile, Brüchenechsen. G. Fischer, Jena. 422 pp.
- Weser 1989
- Zur Haltung, Zucht und Aufzucht von Pyxidea mouhotii. Verslag DGHT-Tagung: 34-35.
- Whelan, Coakley 1982
- Geochelone elegans (Indian star tortoise) fecundity. Herpetol. Rev. 13: 97.
- Whetstone 1978
- Additional record of the fossil snapping turtle Macroclemys schmidti from the Marshland Formation (Miocene) of Nebraska with notes on interspecific skull variation within the genus Macroclemys. Copeia
- Whillans, Crossman 1977
- Morphological parameters and spring activities in a central Ontario population of midland painted turtle, Chrysemys picta marginata (Agassiz). Can. Field-Natur. 91: 47-57.
- Whitaker 1983
- World's rarest turtle (we think) lays eggs in captivity. Hamadryad 8(1): 13.
- , 1994
- Emydura lavarackorum, a new Pleistocene turtle (Pleurodira: Chelidae) from fluviatile deposits at Riversleigh, northwestern Queensland. Rec. S. Aust. Mus. 27(2): 159-167.
- , Moll 1991
- Clutch size and annual reproductive potential of the turtle Graptemys geographica in a Missouri stream. J. Herpetol. 25: 493-494.
- , 1973
- The reproductive cycle and sexual dimorphism of the common snapping turtle, Chelydra serpentina serpentina. Herpetologica 29: 240-245.
- Whittow, 1982
- Basking behavior of the Hawaiian green turtle (Chelonia mydas). Pacific Science 36: 129-139.
- Wibbels 1990
- Seasonal changes in serum gonadal steroids associated with migration, mating, and nesting in the loggerhead sea turtle (Caretta caretta). Gen. Comp. Endocrinol. 79: 154-164.
- Wibbels 1991
- Sex determination in Cagle's map turtle: Implications for evolution, development, and conservation. Can. J. Zool. 69: 2693-2696.
- Wied-Neuweid 1839
- Reise in das innere Nord-America in den Jahren 1832 bis 1834. J. Hoelscher, Coblenz. 653 pp.
- Wied-Neuweid 1865
- Verzeichniss der Reptilien, welche auf einer Reise im nördlichen America beobachtet wurden. Nova Acta Acad. Leopold.-Carol. 32: 1-146.
- Wilhoft 1983
- Effects of temperature on sex determination in embryos of the snapping turtle, Chelydra serpentina. J. Herpetol. 17: 38-42.
- Wilke 1983
- Breeding the pancake tortoise, Malacochersus tornieri, at Frankfurt Zoo. Int. Zoo Yearbook 23: 137-139.
- , 1952
- The plastron of soft-shelled turtles (Testudinata, Trionychidae): a new interpretation. J. Morphol. 90: 263-280.
- , 1976
- Characterization of myoglobins from Atlantic and Pacific green sea turtles. Comp. Biochem. Physiol. 54B: 253-259.
- , Han 1964
- A comparison of the density of Terrapene coahuila and T. carolina. J. Ohio Herpetol. Soc. 4: 105.
- Winokur, Legler 1975
- Chelonian mental glands. J. Morphol. 147: 275-291.
- Wischuf, 1996
- Eine neue Unterart der Bachschildkröte (Mauremys caspica ventrimaculata subsp. nov.) aus dem Iranischen Hochland. Salamandra 32(2): 113-122.
- , Moody 1976
- Unique arrangement of carapace bones in the South American chelid turtle Hydromedusa maximiliani (Mikan). Zool. J. Linn. Soc. 59: 69-78.
- Woodbury 1952
- Hybrids of Gopherus berlandieri and G. agassizii. Herpetologica 8: 33-36.
- Woodbury, 1948
- Studies of the desert tortoise, Gopherus agassizii. Ecol. Monogr. 18: 145-200.
- Worrell 1964
- Reptiles of Australia. Angus and Robertson Ltd., Sydney. 207 pp.