2578 Gymnura marmorata (Cooper, 1864) Gymnuridae Butterfly rays Myliobatiformes Elasmobranchii California butterfly ray Eastern Pacific: California, USA to Peru. UBC 600028 21 N 105 W Gymnura marmorata AMNH 18599 Gymnura marmorata UBC 530293 33 N 118 W Gymnura marmorata AMNH 59729 1911 Gymnura marmorata MOVI 31017 1954 Gymnura marmorata CICIMAR-IPN 929 1977 Gymnura marmorata 3 m CICIMAR-IPN 352 1978 Gymnura marmorata 4 m CICIMAR-IPN 930 1980 Gymnura marmorata 4 m CICIMAR-IPN 312 1985 Gymnura marmorata 6 m CICIMAR-IPN 2778 1986 Gymnura marmorata 4 m CICIMAR-IPN 1345 1986 Gymnura marmorata 3 m CICIMAR-IPN 3331 1988 Gymnura marmorata 3 m CICIMAR-IPN 2208 1989 Gymnura marmorata 3 m CICIMAR-IPN 2790 1989 Gymnura marmorata 5 m CICIMAR-IPN 2343 1990 Gymnura marmorata 4 m CICIMAR-IPN 649 1992 Gymnura marmorata 6 m CICIMAR-IPN 4353 1994 Gymnura marmorata 6 m