Fowler, Henry W.. (1910). «Notes on Batoid Fishes»Proceedings of the Academy of Natural Sciences of Philadelphia 62 (2): 468–475. ISSN0097-3157. (Noiz kontsultatua: 2024-01-30).
Fowler, Henry W.. (1910). «Notes on Batoid Fishes»Proceedings of the Academy of Natural Sciences of Philadelphia 62 (2): 468–475. ISSN0097-3157. (Noiz kontsultatua: 2024-01-30).