A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae). Hugo Ricardo Secioso Santos Ulisses Leite Gomes Patricia Charvet-Almeida Zootaxa 2004 492 1 12 347D8 Elasmobranchii Dasyatidae Dasyatis CoL Animalia Myliobatiformes 3 Chordata species sabina  - AMNH 96784 (female, 252 mm TL, 189 mm DW); AMNH 96784 (male, 372 mm TL, 170 mm DW); AMNH 96784 (male, 557 mm TL, 230 mm DW); AMNH 98229 (female, 628 mm TL, 251 mm DW); CAS 35485 (male, 235 mm TL, 87 mm DW);