Roberts, Tyson R. and Monkolprasit, S. 1972. "An attempt to determine the systematic position of Ellopostoma megalomycter, an enigmatic freshwater fish from Borneo." Breviora, (384) 1.
Monkolprasit, S. 1990. "Himantura chaophraya new species, a giant freshwater stingray from Thailand (Pisces, Dasyatidae)." Japanese Journal of Ichthyology, (3) 203.