Identification of the Sharks of the Genus Etmopterus Rafinesque, 1810 (Elasmobranchii: Etmopteridae) from the Upper Slope of Southern Brazil, With Comparison Between the Species E. Bigelowi Shirai & Tachikawa, 1993 and E. Pusillus Lowe, 1839. Braz. j. oceanogr. 2008, 56 (2), 139-143. https://doi.org/10.1590/S1679-87592008000200006.