Yoshigou, H. & Sasaki, K. & Yoshino, T. (2004)
The twin-spot butterfly ray, Gymnura bimaculata (Norman, 1925) (Elasmobranchii: Myliobatiformes; Gymnuridae): reconfirmation of the synonymy of the species G. japonica (Temminck and Schlegal, 1850). Bulletin of the Hoshizaki Gren Foundation, 7, 155–167

Yoshigou, H. & Yoshino, T. (1999)
First record of a stingray, Himantura fai collected from Iriomote Island, the Ruykyu Islands. Japanese Journal of Ichthyology, 46(1), 39–43

Masuda, H. & Amaoka, K. & Araga, C. & Uyeno, T. & Yoshino, T. (1984)
The Fishes of the Japanese Archipelago. Tokai University Press, Tokyo. 437 p.

Yoshino, T. & Hiramatsu, V. & Toda, M. & Uchida, S. (1981)
New records of two sharks, Nebrius concolor and Negaprion acutidens, from Japanese waters. Bulletin of the College of Science University of the Ryukyus, 32, 37–46

Masuda, H. & Araga, C. & Yoshino, T. (1975)
Coastal fishes of southern Japan. Tokai U. Press, Japan, 378 pp