Oikawa, S. & Kanda, T. (1997)
Some features of the gills of a megamouth shark and a shortfin mako, with reference to metabolic activity.
In K. Yano, J.F. Morrissey, Y. Yabumoto & K. Nakaya, eds. Biology of the megamouth shark, Tokai U. Press: 93–104, figs 1–8