http://lattes.cnpq.br/2906323041342670; CARNEIRO, Adonias Machado (Universidade Federal do Oeste do ParáBrasilOthersUFOPAInstituto de CIências da Educação, 2021-08-24)
Stingrays (Chondrichthyes – Potamotrygonidae) are freshwater vertebrates that have 1 to 3 dentin stingers, located at the base of the tail. The stinger is covered by an integumentary sheath, which contains mucous venom ...