BABU, C; RAMACHANDRAN, S; VARGHESE, Benjamin C. New record of sixgill sting ray Hexatrygon bickelli Heemstra and Smith, 1980 from south-west coast of India. Indian Journal of Fisheries, India, v. 58, n. 2, p. 137–139, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJF/article/view/7351. Acesso em: 3 nov. 2025.