Mobula thurstoni (Lloyd, 1908) .

Smoothtail Mobula or Bentfin Devilray. To 1.85 m (6.1 ft) DW (Weigman 2016); reported to 2.2 m (7.1 ft) DW (Bizzarro et al. 2007). Circumglobal; Isla Guadalupe (Miller and Lea 1972, as M. lucasana); patchily reported from southern Baja California through Gulf of California (McEachran and Notarbartolo di Sciara in Fischer et al. 1995), Guatamala to Panama, and Ecuador (Marshall et al. 2019) Depth: surface to 100 m (328 ft) or more (Notarbartolo di Sciara 1988). Mobula lucasana Beebe & Tee-Van, 1938 is a synonym.