Morphological aspects and germ cells of male reproductive tract of river stingray, Potamotrygon amandae. Acta Scientiarum. Biological Sciences, [S. l.], v. 45, n. 1, p. e63722, 2023. DOI: 10.4025/actascibiolsci.v45i1.63722. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/63722. Acesso em: 1 jun. 2026.