Soma, H. & Murai, N. & Tanaka, K. & Kokuba, H. & Yoshihama, I. & Fujita, K. & Mineo, S. & Kudo, M. & Toda, T. & Uchida, S. (2013)
Aspects of placentation systems in the scalloped hammerhead shark, Sphyrna lewini, and the manta ray, Manta birostris. Proceeding of the International Symposium – Reproduction of Marine Life, Birth of New Life! Investigating the Mysteries of Reproduction, February 21–22, 2009: 13–22