Literature
  • Yabe 1994
  • Population structure and male melanism in the Reeves' turtle, Chinemys reevesii. Japanese J. Herpetol. 15: 131-137.
  • Yabe 1992
  • Sexual difference in annual activity and home range of the Japanese pond turtle, Mauremys japonica, assessed by mark-capture and radio-tracking methods. Japanese J. Herpetol. 14: 191-197.
  • 1990
  • Hydromedusa maximiliani. Ecology. Herpetol. Rev. 21(1): 19.
  • Yasukawa 1996
  • Geographic variation and sexual size dimorphism in Mauremys mutica (Cantor, 1842) (Reptilia: Bataguridae), with description of a new supspecies from the southern Ryukyus, Japan. Zool. Sci. (Japan) 13: 303-317.
  • Yasukawa 1992
  • Taxonomic re-evaluation of the two subspecies of Geoemyda spengleri spengleri [sic] (Gmelin, 1789) (Reptilia: Emydidae). Japanese J. Herpetol. 14: 143-159.
  • Yntema 1976
  • Effects of incubation temperature on sexual differentiation in the turtle, Chelydra serpentina. J. Morphol. 150: 453-462.
  • Yntema, Mrosovsky 1982
  • Critical periods and pivotal temperatures for sexual differentiation in loggerhead sea turtles. Canadian J. Zool. 60: 1012-1016.
  • 1984
  • Studies on the gonadal development of a Chinese turtle (Trionyx sinensis). Acta Hydrobiol. Sinica 8: 145-156.