Urotrygon munda Gill, 1863 .

Spiny Round Ray or Spiny Stingray. To 53.8 cm (21.2 in) TL (Flores-Ortega et al. 2020), 28.8 cm (11.3 in) DW (Weigman 2016). About Punta Eugenia, central Baja California (Robertson and Allen 2015), and Gulf of California (Miyake and McEachran 1986) to Callao, Peru (Chirichigno and Vélez 1998) . Benthic; depth: 1–80 m (3–262 ft) (min.: Weigmann 2016; max.: Flores-Ortega et al. 2011).